Determination of lead and chromium in wastewater using graphite furnace atomic absorption spectrometry with and without matrix modifier / Salwahalhana Ahmad Tajuddin

In this study, the amount of lead and chromium was determined in wastewater samples from Nippon Paint Factory, section 22 Shah Alam. The wastewater was treated by wet digestion method. The lead and chromium metals were then determined by graphite furnace atomic absorption spectrometry, Perkin- Elmer...

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Main Author:	Ahmad Tajuddin, Salwahalhana
Format:	Thesis
Language:	English
Published:	2002
Subjects:	Analytical chemistry
Online Access:	https://ir.uitm.edu.my/id/eprint/104762/1/104762.pdf
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id	my-uitm-ir.104762
record_format	uketd_dc
spelling	my-uitm-ir.1047622024-10-09T04:11:22Z Determination of lead and chromium in wastewater using graphite furnace atomic absorption spectrometry with and without matrix modifier / Salwahalhana Ahmad Tajuddin 2002 Ahmad Tajuddin, Salwahalhana Analytical chemistry In this study, the amount of lead and chromium was determined in wastewater samples from Nippon Paint Factory, section 22 Shah Alam. The wastewater was treated by wet digestion method. The lead and chromium metals were then determined by graphite furnace atomic absorption spectrometry, Perkin- Elmer Model 2380 atomic absorption spectrophotometer, equipped with an HGA-300 graphite furnace, deuterium background corrector, nitrogen as the inert gas, lead and chromium electrodeless discharge lamp and coated graphite tube were employed to all adsorption measurements with and without matrix modifier. The matrix modifiers used were nitrate salts of magnesium and calcium. Before the wastewater was tested, an optimization study was done on the most suitable ashing temperatures to be used. Calibration curve of standard lead and chromium were plotted from 0.4 ppm till 2.0 ppm at ashing temperatures 750 °C and 1550 °C without matrix modifier while 850 °C and 1650 °C for metals with matrix modifier. Magnesium is the best matrix modifier in comparison to calcium because the increase in percentage of absorbance and also concentration of lead and chromium. From the analysis the concentration of lead and chromium without using matrix modifiers are 0.028 ppm respectively while using matrix modifier magnesium and calcium, the concentration increased to 0.048 ppm and 0.043 ppm for lead and 0.047 ppm and 0.043 ppm for chromium. However it still under the Environment Quality Act and it shows that the treatment system in Nippon Paint Factory is efficient in removing heavy metals from their effluent water. 2002 Thesis https://ir.uitm.edu.my/id/eprint/104762/ https://ir.uitm.edu.my/id/eprint/104762/1/104762.pdf text en public degree Universiti Teknologi MARA (UiTM) Faculty of Applied Sciences Lee, Pat Moi
institution	Universiti Teknologi MARA
collection	UiTM Institutional Repository
language	English
advisor	Lee, Pat Moi
topic	Analytical chemistry
spellingShingle	Analytical chemistry Ahmad Tajuddin, Salwahalhana Determination of lead and chromium in wastewater using graphite furnace atomic absorption spectrometry with and without matrix modifier / Salwahalhana Ahmad Tajuddin
description	In this study, the amount of lead and chromium was determined in wastewater samples from Nippon Paint Factory, section 22 Shah Alam. The wastewater was treated by wet digestion method. The lead and chromium metals were then determined by graphite furnace atomic absorption spectrometry, Perkin- Elmer Model 2380 atomic absorption spectrophotometer, equipped with an HGA-300 graphite furnace, deuterium background corrector, nitrogen as the inert gas, lead and chromium electrodeless discharge lamp and coated graphite tube were employed to all adsorption measurements with and without matrix modifier. The matrix modifiers used were nitrate salts of magnesium and calcium. Before the wastewater was tested, an optimization study was done on the most suitable ashing temperatures to be used. Calibration curve of standard lead and chromium were plotted from 0.4 ppm till 2.0 ppm at ashing temperatures 750 °C and 1550 °C without matrix modifier while 850 °C and 1650 °C for metals with matrix modifier. Magnesium is the best matrix modifier in comparison to calcium because the increase in percentage of absorbance and also concentration of lead and chromium. From the analysis the concentration of lead and chromium without using matrix modifiers are 0.028 ppm respectively while using matrix modifier magnesium and calcium, the concentration increased to 0.048 ppm and 0.043 ppm for lead and 0.047 ppm and 0.043 ppm for chromium. However it still under the Environment Quality Act and it shows that the treatment system in Nippon Paint Factory is efficient in removing heavy metals from their effluent water.
format	Thesis
qualification_level	Bachelor degree
author	Ahmad Tajuddin, Salwahalhana
author_facet	Ahmad Tajuddin, Salwahalhana
author_sort	Ahmad Tajuddin, Salwahalhana
title	Determination of lead and chromium in wastewater using graphite furnace atomic absorption spectrometry with and without matrix modifier / Salwahalhana Ahmad Tajuddin
title_short	Determination of lead and chromium in wastewater using graphite furnace atomic absorption spectrometry with and without matrix modifier / Salwahalhana Ahmad Tajuddin
title_full	Determination of lead and chromium in wastewater using graphite furnace atomic absorption spectrometry with and without matrix modifier / Salwahalhana Ahmad Tajuddin
title_fullStr	Determination of lead and chromium in wastewater using graphite furnace atomic absorption spectrometry with and without matrix modifier / Salwahalhana Ahmad Tajuddin
title_full_unstemmed	Determination of lead and chromium in wastewater using graphite furnace atomic absorption spectrometry with and without matrix modifier / Salwahalhana Ahmad Tajuddin
title_sort	determination of lead and chromium in wastewater using graphite furnace atomic absorption spectrometry with and without matrix modifier / salwahalhana ahmad tajuddin
granting_institution	Universiti Teknologi MARA (UiTM)
granting_department	Faculty of Applied Sciences
publishDate	2002
url	https://ir.uitm.edu.my/id/eprint/104762/1/104762.pdf
_version_	1818588118838673408

Determination of lead and chromium in wastewater using graphite furnace atomic absorption spectrometry with and without matrix modifier / Salwahalhana Ahmad Tajuddin

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