Analiza comparativă a concentraţiilor ionilor metalici în condiţiile utilizării de aparatură de laborator diferită [The comparison between the concentrations of metallic ions obtained in the same laboratory using different apparatus]

In the framework of ICP Forests, within the period 1997-1999, the concentrations of Na and Mg in precipitation samples collected in open field and under the wood canopy were determined in the laboratory of ICAS Campulung by atomic absorption spectrophotometry, using a spectrophotometer produced in R...
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Autor*in:	Iacoban C [verfasserIn] Barbu I [verfasserIn] Macoveanu M [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch ; Rumänisch

Erschienen:	2004

Schlagwörter:	: metallic ions atomic absorbtion spectrophotometry flame ionization

Übergeordnetes Werk:	In: Bucovina Forestieră - ”Ștefan cel Mare” University of Suceava, Faculty of Forestry and “Marin Drăcea” National Research-Development Institute in Forestry - Station Câmpulung Moldovenesc, 2015, 12(2004), 1-2, Seite 021-030
Übergeordnetes Werk:	volume:12 ; year:2004 ; number:1-2 ; pages:021-030

Links:	Link aufrufen Link aufrufen Journal toc Journal toc

Katalog-ID:	DOAJ035174978

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author_variant	i c ic b i bi m m mm
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allfields	(DE-627)DOAJ035174978 (DE-599)DOAJ8f755772a22d42338ed80bb82e387eec DE-627 ger DE-627 rakwb eng rum SD1-669.5 Iacoban C verfasserin aut Analiza comparativă a concentraţiilor ionilor metalici în condiţiile utilizării de aparatură de laborator diferită [The comparison between the concentrations of metallic ions obtained in the same laboratory using different apparatus] 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In the framework of ICP Forests, within the period 1997-1999, the concentrations of Na and Mg in precipitation samples collected in open field and under the wood canopy were determined in the laboratory of ICAS Campulung by atomic absorption spectrophotometry, using a spectrophotometer produced in Romania in 1980. The concentrations of Ca and K for the same period and samples were determined by flame ionization, using an apparatus produced in Est Germany in 1970. Beginning with 2000 untill 2004, the concentrations of the four metallic ions were determined only by atomic absorbtion spectophotometry, using a spectrophotometer produced in USA in 1975 and donate to the laboratory of ICAS Campulung by INRA Nancy. In order to provide the comparability of the results obtained in time, the detection limits obtained were compared and 38 samples were analysed in parallel with the specific apparatus used within the two periods of mesurements. The detection limit was the same for Mg, but much lower for Na (twice), K (tree times) and Ca (ten times) with the apparatus used in 2000-2004 than that used in 1997-1999. The lowest deviations were obtain for Mg (< ∓ 20%) and Na ((< ∓ 30), because for these ions was used the same method (atomic absorption spectrophotometry), but different apparatus. For K and Ca were used different methods (flame ionization and respectively, atomic absorption spectrophotometry) and apparatus, so the deviations were higher ( up to ∓ 100 and respectively up to ∓ 40%). : metallic ions atomic absorbtion spectrophotometry flame ionization Forestry Barbu I verfasserin aut Macoveanu M verfasserin aut In Bucovina Forestieră ”Ștefan cel Mare” University of Suceava, Faculty of Forestry and “Marin Drăcea” National Research-Development Institute in Forestry - Station Câmpulung Moldovenesc, 2015 12(2004), 1-2, Seite 021-030 (DE-627)742738884 (DE-600)2712018-1 15823725 nnns volume:12 year:2004 number:1-2 pages:021-030 https://doaj.org/article/8f755772a22d42338ed80bb82e387eec kostenfrei http://www.bucovina-forestiera.ro/arhiva/2004/12(1-2)/analiza-comparativa-a-concentratiilor-ionilor-metalici-in-conditiile-utilizarii-de-aparatura-de-laborator-diferita.pdf kostenfrei https://doaj.org/toc/1582-0769 Journal toc kostenfrei https://doaj.org/toc/1582-3725 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 12 2004 1-2 021-030
spelling	(DE-627)DOAJ035174978 (DE-599)DOAJ8f755772a22d42338ed80bb82e387eec DE-627 ger DE-627 rakwb eng rum SD1-669.5 Iacoban C verfasserin aut Analiza comparativă a concentraţiilor ionilor metalici în condiţiile utilizării de aparatură de laborator diferită [The comparison between the concentrations of metallic ions obtained in the same laboratory using different apparatus] 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In the framework of ICP Forests, within the period 1997-1999, the concentrations of Na and Mg in precipitation samples collected in open field and under the wood canopy were determined in the laboratory of ICAS Campulung by atomic absorption spectrophotometry, using a spectrophotometer produced in Romania in 1980. The concentrations of Ca and K for the same period and samples were determined by flame ionization, using an apparatus produced in Est Germany in 1970. Beginning with 2000 untill 2004, the concentrations of the four metallic ions were determined only by atomic absorbtion spectophotometry, using a spectrophotometer produced in USA in 1975 and donate to the laboratory of ICAS Campulung by INRA Nancy. In order to provide the comparability of the results obtained in time, the detection limits obtained were compared and 38 samples were analysed in parallel with the specific apparatus used within the two periods of mesurements. The detection limit was the same for Mg, but much lower for Na (twice), K (tree times) and Ca (ten times) with the apparatus used in 2000-2004 than that used in 1997-1999. The lowest deviations were obtain for Mg (< ∓ 20%) and Na ((< ∓ 30), because for these ions was used the same method (atomic absorption spectrophotometry), but different apparatus. For K and Ca were used different methods (flame ionization and respectively, atomic absorption spectrophotometry) and apparatus, so the deviations were higher ( up to ∓ 100 and respectively up to ∓ 40%). : metallic ions atomic absorbtion spectrophotometry flame ionization Forestry Barbu I verfasserin aut Macoveanu M verfasserin aut In Bucovina Forestieră ”Ștefan cel Mare” University of Suceava, Faculty of Forestry and “Marin Drăcea” National Research-Development Institute in Forestry - Station Câmpulung Moldovenesc, 2015 12(2004), 1-2, Seite 021-030 (DE-627)742738884 (DE-600)2712018-1 15823725 nnns volume:12 year:2004 number:1-2 pages:021-030 https://doaj.org/article/8f755772a22d42338ed80bb82e387eec kostenfrei http://www.bucovina-forestiera.ro/arhiva/2004/12(1-2)/analiza-comparativa-a-concentratiilor-ionilor-metalici-in-conditiile-utilizarii-de-aparatura-de-laborator-diferita.pdf kostenfrei https://doaj.org/toc/1582-0769 Journal toc kostenfrei https://doaj.org/toc/1582-3725 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 12 2004 1-2 021-030
allfields_unstemmed	(DE-627)DOAJ035174978 (DE-599)DOAJ8f755772a22d42338ed80bb82e387eec DE-627 ger DE-627 rakwb eng rum SD1-669.5 Iacoban C verfasserin aut Analiza comparativă a concentraţiilor ionilor metalici în condiţiile utilizării de aparatură de laborator diferită [The comparison between the concentrations of metallic ions obtained in the same laboratory using different apparatus] 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In the framework of ICP Forests, within the period 1997-1999, the concentrations of Na and Mg in precipitation samples collected in open field and under the wood canopy were determined in the laboratory of ICAS Campulung by atomic absorption spectrophotometry, using a spectrophotometer produced in Romania in 1980. The concentrations of Ca and K for the same period and samples were determined by flame ionization, using an apparatus produced in Est Germany in 1970. Beginning with 2000 untill 2004, the concentrations of the four metallic ions were determined only by atomic absorbtion spectophotometry, using a spectrophotometer produced in USA in 1975 and donate to the laboratory of ICAS Campulung by INRA Nancy. In order to provide the comparability of the results obtained in time, the detection limits obtained were compared and 38 samples were analysed in parallel with the specific apparatus used within the two periods of mesurements. The detection limit was the same for Mg, but much lower for Na (twice), K (tree times) and Ca (ten times) with the apparatus used in 2000-2004 than that used in 1997-1999. The lowest deviations were obtain for Mg (< ∓ 20%) and Na ((< ∓ 30), because for these ions was used the same method (atomic absorption spectrophotometry), but different apparatus. For K and Ca were used different methods (flame ionization and respectively, atomic absorption spectrophotometry) and apparatus, so the deviations were higher ( up to ∓ 100 and respectively up to ∓ 40%). : metallic ions atomic absorbtion spectrophotometry flame ionization Forestry Barbu I verfasserin aut Macoveanu M verfasserin aut In Bucovina Forestieră ”Ștefan cel Mare” University of Suceava, Faculty of Forestry and “Marin Drăcea” National Research-Development Institute in Forestry - Station Câmpulung Moldovenesc, 2015 12(2004), 1-2, Seite 021-030 (DE-627)742738884 (DE-600)2712018-1 15823725 nnns volume:12 year:2004 number:1-2 pages:021-030 https://doaj.org/article/8f755772a22d42338ed80bb82e387eec kostenfrei http://www.bucovina-forestiera.ro/arhiva/2004/12(1-2)/analiza-comparativa-a-concentratiilor-ionilor-metalici-in-conditiile-utilizarii-de-aparatura-de-laborator-diferita.pdf kostenfrei https://doaj.org/toc/1582-0769 Journal toc kostenfrei https://doaj.org/toc/1582-3725 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 12 2004 1-2 021-030
allfieldsGer	(DE-627)DOAJ035174978 (DE-599)DOAJ8f755772a22d42338ed80bb82e387eec DE-627 ger DE-627 rakwb eng rum SD1-669.5 Iacoban C verfasserin aut Analiza comparativă a concentraţiilor ionilor metalici în condiţiile utilizării de aparatură de laborator diferită [The comparison between the concentrations of metallic ions obtained in the same laboratory using different apparatus] 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In the framework of ICP Forests, within the period 1997-1999, the concentrations of Na and Mg in precipitation samples collected in open field and under the wood canopy were determined in the laboratory of ICAS Campulung by atomic absorption spectrophotometry, using a spectrophotometer produced in Romania in 1980. The concentrations of Ca and K for the same period and samples were determined by flame ionization, using an apparatus produced in Est Germany in 1970. Beginning with 2000 untill 2004, the concentrations of the four metallic ions were determined only by atomic absorbtion spectophotometry, using a spectrophotometer produced in USA in 1975 and donate to the laboratory of ICAS Campulung by INRA Nancy. In order to provide the comparability of the results obtained in time, the detection limits obtained were compared and 38 samples were analysed in parallel with the specific apparatus used within the two periods of mesurements. The detection limit was the same for Mg, but much lower for Na (twice), K (tree times) and Ca (ten times) with the apparatus used in 2000-2004 than that used in 1997-1999. The lowest deviations were obtain for Mg (< ∓ 20%) and Na ((< ∓ 30), because for these ions was used the same method (atomic absorption spectrophotometry), but different apparatus. For K and Ca were used different methods (flame ionization and respectively, atomic absorption spectrophotometry) and apparatus, so the deviations were higher ( up to ∓ 100 and respectively up to ∓ 40%). : metallic ions atomic absorbtion spectrophotometry flame ionization Forestry Barbu I verfasserin aut Macoveanu M verfasserin aut In Bucovina Forestieră ”Ștefan cel Mare” University of Suceava, Faculty of Forestry and “Marin Drăcea” National Research-Development Institute in Forestry - Station Câmpulung Moldovenesc, 2015 12(2004), 1-2, Seite 021-030 (DE-627)742738884 (DE-600)2712018-1 15823725 nnns volume:12 year:2004 number:1-2 pages:021-030 https://doaj.org/article/8f755772a22d42338ed80bb82e387eec kostenfrei http://www.bucovina-forestiera.ro/arhiva/2004/12(1-2)/analiza-comparativa-a-concentratiilor-ionilor-metalici-in-conditiile-utilizarii-de-aparatura-de-laborator-diferita.pdf kostenfrei https://doaj.org/toc/1582-0769 Journal toc kostenfrei https://doaj.org/toc/1582-3725 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 12 2004 1-2 021-030
allfieldsSound	(DE-627)DOAJ035174978 (DE-599)DOAJ8f755772a22d42338ed80bb82e387eec DE-627 ger DE-627 rakwb eng rum SD1-669.5 Iacoban C verfasserin aut Analiza comparativă a concentraţiilor ionilor metalici în condiţiile utilizării de aparatură de laborator diferită [The comparison between the concentrations of metallic ions obtained in the same laboratory using different apparatus] 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In the framework of ICP Forests, within the period 1997-1999, the concentrations of Na and Mg in precipitation samples collected in open field and under the wood canopy were determined in the laboratory of ICAS Campulung by atomic absorption spectrophotometry, using a spectrophotometer produced in Romania in 1980. The concentrations of Ca and K for the same period and samples were determined by flame ionization, using an apparatus produced in Est Germany in 1970. Beginning with 2000 untill 2004, the concentrations of the four metallic ions were determined only by atomic absorbtion spectophotometry, using a spectrophotometer produced in USA in 1975 and donate to the laboratory of ICAS Campulung by INRA Nancy. In order to provide the comparability of the results obtained in time, the detection limits obtained were compared and 38 samples were analysed in parallel with the specific apparatus used within the two periods of mesurements. The detection limit was the same for Mg, but much lower for Na (twice), K (tree times) and Ca (ten times) with the apparatus used in 2000-2004 than that used in 1997-1999. The lowest deviations were obtain for Mg (< ∓ 20%) and Na ((< ∓ 30), because for these ions was used the same method (atomic absorption spectrophotometry), but different apparatus. For K and Ca were used different methods (flame ionization and respectively, atomic absorption spectrophotometry) and apparatus, so the deviations were higher ( up to ∓ 100 and respectively up to ∓ 40%). : metallic ions atomic absorbtion spectrophotometry flame ionization Forestry Barbu I verfasserin aut Macoveanu M verfasserin aut In Bucovina Forestieră ”Ștefan cel Mare” University of Suceava, Faculty of Forestry and “Marin Drăcea” National Research-Development Institute in Forestry - Station Câmpulung Moldovenesc, 2015 12(2004), 1-2, Seite 021-030 (DE-627)742738884 (DE-600)2712018-1 15823725 nnns volume:12 year:2004 number:1-2 pages:021-030 https://doaj.org/article/8f755772a22d42338ed80bb82e387eec kostenfrei http://www.bucovina-forestiera.ro/arhiva/2004/12(1-2)/analiza-comparativa-a-concentratiilor-ionilor-metalici-in-conditiile-utilizarii-de-aparatura-de-laborator-diferita.pdf kostenfrei https://doaj.org/toc/1582-0769 Journal toc kostenfrei https://doaj.org/toc/1582-3725 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 12 2004 1-2 021-030
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callnumber-first	S - Agriculture
author	Iacoban C
spellingShingle	Iacoban C misc SD1-669.5 misc : metallic ions misc atomic absorbtion spectrophotometry misc flame ionization misc Forestry Analiza comparativă a concentraţiilor ionilor metalici în condiţiile utilizării de aparatură de laborator diferită [The comparison between the concentrations of metallic ions obtained in the same laboratory using different apparatus]
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topic_title	SD1-669.5 Analiza comparativă a concentraţiilor ionilor metalici în condiţiile utilizării de aparatură de laborator diferită [The comparison between the concentrations of metallic ions obtained in the same laboratory using different apparatus] : metallic ions atomic absorbtion spectrophotometry flame ionization
topic	misc SD1-669.5 misc : metallic ions misc atomic absorbtion spectrophotometry misc flame ionization misc Forestry
topic_unstemmed	misc SD1-669.5 misc : metallic ions misc atomic absorbtion spectrophotometry misc flame ionization misc Forestry
topic_browse	misc SD1-669.5 misc : metallic ions misc atomic absorbtion spectrophotometry misc flame ionization misc Forestry
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title	Analiza comparativă a concentraţiilor ionilor metalici în condiţiile utilizării de aparatură de laborator diferită [The comparison between the concentrations of metallic ions obtained in the same laboratory using different apparatus]
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title_full	Analiza comparativă a concentraţiilor ionilor metalici în condiţiile utilizării de aparatură de laborator diferită [The comparison between the concentrations of metallic ions obtained in the same laboratory using different apparatus]
author_sort	Iacoban C
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author_browse	Iacoban C Barbu I Macoveanu M
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author-letter	Iacoban C
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title_sort	analiza comparativă a concentraţiilor ionilor metalici în condiţiile utilizării de aparatură de laborator diferită [the comparison between the concentrations of metallic ions obtained in the same laboratory using different apparatus]
callnumber	SD1-669.5
title_auth	Analiza comparativă a concentraţiilor ionilor metalici în condiţiile utilizării de aparatură de laborator diferită [The comparison between the concentrations of metallic ions obtained in the same laboratory using different apparatus]
abstract	In the framework of ICP Forests, within the period 1997-1999, the concentrations of Na and Mg in precipitation samples collected in open field and under the wood canopy were determined in the laboratory of ICAS Campulung by atomic absorption spectrophotometry, using a spectrophotometer produced in Romania in 1980. The concentrations of Ca and K for the same period and samples were determined by flame ionization, using an apparatus produced in Est Germany in 1970. Beginning with 2000 untill 2004, the concentrations of the four metallic ions were determined only by atomic absorbtion spectophotometry, using a spectrophotometer produced in USA in 1975 and donate to the laboratory of ICAS Campulung by INRA Nancy. In order to provide the comparability of the results obtained in time, the detection limits obtained were compared and 38 samples were analysed in parallel with the specific apparatus used within the two periods of mesurements. The detection limit was the same for Mg, but much lower for Na (twice), K (tree times) and Ca (ten times) with the apparatus used in 2000-2004 than that used in 1997-1999. The lowest deviations were obtain for Mg (< ∓ 20%) and Na ((< ∓ 30), because for these ions was used the same method (atomic absorption spectrophotometry), but different apparatus. For K and Ca were used different methods (flame ionization and respectively, atomic absorption spectrophotometry) and apparatus, so the deviations were higher ( up to ∓ 100 and respectively up to ∓ 40%).
abstractGer	In the framework of ICP Forests, within the period 1997-1999, the concentrations of Na and Mg in precipitation samples collected in open field and under the wood canopy were determined in the laboratory of ICAS Campulung by atomic absorption spectrophotometry, using a spectrophotometer produced in Romania in 1980. The concentrations of Ca and K for the same period and samples were determined by flame ionization, using an apparatus produced in Est Germany in 1970. Beginning with 2000 untill 2004, the concentrations of the four metallic ions were determined only by atomic absorbtion spectophotometry, using a spectrophotometer produced in USA in 1975 and donate to the laboratory of ICAS Campulung by INRA Nancy. In order to provide the comparability of the results obtained in time, the detection limits obtained were compared and 38 samples were analysed in parallel with the specific apparatus used within the two periods of mesurements. The detection limit was the same for Mg, but much lower for Na (twice), K (tree times) and Ca (ten times) with the apparatus used in 2000-2004 than that used in 1997-1999. The lowest deviations were obtain for Mg (< ∓ 20%) and Na ((< ∓ 30), because for these ions was used the same method (atomic absorption spectrophotometry), but different apparatus. For K and Ca were used different methods (flame ionization and respectively, atomic absorption spectrophotometry) and apparatus, so the deviations were higher ( up to ∓ 100 and respectively up to ∓ 40%).
abstract_unstemmed	In the framework of ICP Forests, within the period 1997-1999, the concentrations of Na and Mg in precipitation samples collected in open field and under the wood canopy were determined in the laboratory of ICAS Campulung by atomic absorption spectrophotometry, using a spectrophotometer produced in Romania in 1980. The concentrations of Ca and K for the same period and samples were determined by flame ionization, using an apparatus produced in Est Germany in 1970. Beginning with 2000 untill 2004, the concentrations of the four metallic ions were determined only by atomic absorbtion spectophotometry, using a spectrophotometer produced in USA in 1975 and donate to the laboratory of ICAS Campulung by INRA Nancy. In order to provide the comparability of the results obtained in time, the detection limits obtained were compared and 38 samples were analysed in parallel with the specific apparatus used within the two periods of mesurements. The detection limit was the same for Mg, but much lower for Na (twice), K (tree times) and Ca (ten times) with the apparatus used in 2000-2004 than that used in 1997-1999. The lowest deviations were obtain for Mg (< ∓ 20%) and Na ((< ∓ 30), because for these ions was used the same method (atomic absorption spectrophotometry), but different apparatus. For K and Ca were used different methods (flame ionization and respectively, atomic absorption spectrophotometry) and apparatus, so the deviations were higher ( up to ∓ 100 and respectively up to ∓ 40%).
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title_short	Analiza comparativă a concentraţiilor ionilor metalici în condiţiile utilizării de aparatură de laborator diferită [The comparison between the concentrations of metallic ions obtained in the same laboratory using different apparatus]
url	https://doaj.org/article/8f755772a22d42338ed80bb82e387eec http://www.bucovina-forestiera.ro/arhiva/2004/12(1-2)/analiza-comparativa-a-concentratiilor-ionilor-metalici-in-conditiile-utilizarii-de-aparatura-de-laborator-diferita.pdf https://doaj.org/toc/1582-0769 https://doaj.org/toc/1582-3725
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Analiza comparativă a concentraţiilor ionilor metalici în condiţiile utilizării de aparatură de laborator diferită [The comparison between the concentrations of metallic ions obtained in the same laboratory using different apparatus]

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