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206456

Spectrophotometric Determination of Trace Amounts of Lead with Safranine O in Synthetic Sea Water and Zinc Sulphate

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Last updated: 03 Jan 2025

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Abstract

A highly selective and sensitive Spectrophotometric procedure for the determination of lead is developed. This is based on the interaction of iodide complex of lead with safranine O to form an orange product which absorbs maximally at 494 nm. The complex formed is stable for 2 h when stabilized with polymer. The Pb-l-safranine complex was fully formed in the pH range 3.5-4.5 and solution should contain appropriate concentrations of I and safranine O. 50 fold amounts of various cations and anions do not interfere in the determination of 0.1-10 µg of lead [ɛ = 8.62x104 1 mol -1cm-1]. The method is precise and has been applied to synthetic sea water samples and zinc sulphate materials.

DOI

10.21608/jhiph.2002.206456

Keywords

Spectrophotometric determination, Safranine O, Synthetic Sea Water, Zinc Sulphate

Authors

First Name

Amira

Last Name

Al-Attas

MiddleName

S.

Affiliation

Chemistry Department, Girls College for Education, Jeddah, Saudi Arabia

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Volume

32

Article Issue

4

Related Issue

27972

Issue Date

2002-10-01

Receive Date

2021-11-25

Publish Date

2002-10-01

Page Start

921

Page End

926

Print ISSN

2357-0601

Online ISSN

2357-061X

Link

https://jhiphalexu.journals.ekb.eg/article_206456.html

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https://jhiphalexu.journals.ekb.eg/service?article_code=206456

Order

17

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Original Article

Type Code

511

Publication Type

Journal

Publication Title

Journal of High Institute of Public Health

Publication Link

https://jhiphalexu.journals.ekb.eg/

MainTitle

Spectrophotometric Determination of Trace Amounts of Lead with Safranine O in Synthetic Sea Water and Zinc Sulphate

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Article

Created At

22 Jan 2023