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Evaluation of concentration of toxic metals in different local brands of cleanser product / Liyana Nafeesa Mohamad

The concentration of toxic metals were determined in different local brands of facial cleanser product. The objective of this study was to determine the toxicity assessment of the product and the risk associated with human exposure to metals in these facial cleanser product. After wet digestion with...

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Main Author: Mohamad, Liyana Nafeesa
Format: Student Project
Language:English
Published: 2019
Subjects:
Spectroscopy
Metals
Chemicals
Online Access:https://ir.uitm.edu.my/id/eprint/44905/1/44905.pdf
https://ir.uitm.edu.my/id/eprint/44905/
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spelling my.uitm.ir.449052022-12-01T08:16:42Z https://ir.uitm.edu.my/id/eprint/44905/ Evaluation of concentration of toxic metals in different local brands of cleanser product / Liyana Nafeesa Mohamad Mohamad, Liyana Nafeesa Spectroscopy Metals Chemicals The concentration of toxic metals were determined in different local brands of facial cleanser product. The objective of this study was to determine the toxicity assessment of the product and the risk associated with human exposure to metals in these facial cleanser product. After wet digestion with mixture of nitric acid, hydrochloric acid and hydrogen peroxide with ratio 3:1:1 and the concentration of heavy metals in the all samples were analyzed by inductively coupled plasma-optical emission spectroscopy (ICP-OES) and cold vapor atomic absorption spectroscopy (CV-AAS) for Hg. The results of mean concentration of selected heavy metals in these cleanser product ranged from 0.020 to 0.120 mg/kg Pb, 0.050 to 0.190 mg/kg Cu, 0.026 to 12.350 mg/kg Zn and 0.225 mg/kg Hg respectively. The concentration of all the samples were below the permissible limits by FDA. The systematic exposure dosage (SED) values of these metals measured from the application of these brands of cleanser were below their respective provisional tolerable daily intake/or recommended daily intake values. The margin of safety (MoS) values were higher than 100 which indicated that the product do not cause considerable health risk to the users. As a conclusion, the margin of safety (MoS) for copper and zinc were greater than 100 which are considered safe to use. 2019 Student Project NonPeerReviewed text en https://ir.uitm.edu.my/id/eprint/44905/1/44905.pdf Evaluation of concentration of toxic metals in different local brands of cleanser product / Liyana Nafeesa Mohamad. (2019) [Student Project] <http://terminalib.uitm.edu.my/44905.pdf> (Unpublished)
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
topic Spectroscopy
Metals
Chemicals
spellingShingle Spectroscopy
Metals
Chemicals
Mohamad, Liyana Nafeesa
Evaluation of concentration of toxic metals in different local brands of cleanser product / Liyana Nafeesa Mohamad
description The concentration of toxic metals were determined in different local brands of facial cleanser product. The objective of this study was to determine the toxicity assessment of the product and the risk associated with human exposure to metals in these facial cleanser product. After wet digestion with mixture of nitric acid, hydrochloric acid and hydrogen peroxide with ratio 3:1:1 and the concentration of heavy metals in the all samples were analyzed by inductively coupled plasma-optical emission spectroscopy (ICP-OES) and cold vapor atomic absorption spectroscopy (CV-AAS) for Hg. The results of mean concentration of selected heavy metals in these cleanser product ranged from 0.020 to 0.120 mg/kg Pb, 0.050 to 0.190 mg/kg Cu, 0.026 to 12.350 mg/kg Zn and 0.225 mg/kg Hg respectively. The concentration of all the samples were below the permissible limits by FDA. The systematic exposure dosage (SED) values of these metals measured from the application of these brands of cleanser were below their respective provisional tolerable daily intake/or recommended daily intake values. The margin of safety (MoS) values were higher than 100 which indicated that the product do not cause considerable health risk to the users. As a conclusion, the margin of safety (MoS) for copper and zinc were greater than 100 which are considered safe to use.
format Student Project
author Mohamad, Liyana Nafeesa
author_facet Mohamad, Liyana Nafeesa
author_sort Mohamad, Liyana Nafeesa
title Evaluation of concentration of toxic metals in different local brands of cleanser product / Liyana Nafeesa Mohamad
title_short Evaluation of concentration of toxic metals in different local brands of cleanser product / Liyana Nafeesa Mohamad
title_full Evaluation of concentration of toxic metals in different local brands of cleanser product / Liyana Nafeesa Mohamad
title_fullStr Evaluation of concentration of toxic metals in different local brands of cleanser product / Liyana Nafeesa Mohamad
title_full_unstemmed Evaluation of concentration of toxic metals in different local brands of cleanser product / Liyana Nafeesa Mohamad
title_sort evaluation of concentration of toxic metals in different local brands of cleanser product / liyana nafeesa mohamad
publishDate 2019
url https://ir.uitm.edu.my/id/eprint/44905/1/44905.pdf
https://ir.uitm.edu.my/id/eprint/44905/
_version_ 1751539811778297856
score 13.211869

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