Reversed phase extraction chromatographic separation of lead with bis (2-ethyl hexyl) phosphoric acid

Journal Article · Mon Jan 01 00:00:00 EST 1990 · Analytical Letters; (United States)

DOI:https://doi.org/10.1080/00032719008052471· OSTI ID:5543565

Vin, Yi Yu; Khopkar, S M ^[1]

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1. Indian Inst. of Tech., Bombay (India)

A new method for extraction chromatographic separation of lead was developed with bis (2-ethyl hexyl) phosphoric acid as the stationary phase and hydrochloric acid as mobile phase on silica gel as the stationary support. Lead was extracted from 0.01 M hydrochloric acid and then stripped with various mineral acids and determined spectrophotometrically at 640 nm as its complex with Arsenazo III. Lead was separated from alkali, alkaline earths, chromium, copper, magnesium and arsenic by selective extraction. It was separated from iron, bismuth, antimony and tin by selective stripping. The method was extended for the analysis of lead in samples of alloys and industrial effluents.

• OSTI ID: 5543565
• Journal Information: Analytical Letters; (United States), Vol. 23:4; ISSN 0003-2719
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
54 ENVIRONMENTAL SCIENCES
LEAD
CHROMATOGRAPHY
EXTRACTION
ABSORPTION SPECTROSCOPY
ALKALI METALS
ALKALINE EARTH METALS
ALLOYS
ANTIMONY
ARSENAZO
ARSENIC
BISMUTH
CHROMIUM
COPPER
EXPERIMENTAL DATA
HDEHP
HYDROCHLORIC ACID
IRON
LEAD COMPLEXES
MAGNESIUM
QUANTITATIVE CHEMICAL ANALYSIS
SAMPLE PREPARATION
SEDIMENTS
SILICA GEL
SOLVENT EXTRACTION
TIN
WASTE WATER
ADSORBENTS
AROMATICS
ARSENIC COMPOUNDS
ARSONIC ACIDS
AZO COMPOUNDS
CHEMICAL ANALYSIS
CHLORINE COMPOUNDS
COMPLEXES
DATA
ELEMENTS
ESTERS
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
INFORMATION
INORGANIC ACIDS
LIQUID WASTES
METALS
NUMERICAL DATA
ORGANIC ACIDS
ORGANIC ARSENIC COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXYGEN COMPOUNDS
PHENOLS
PHOSPHORIC ACID ESTERS
POLYPHENOLS
REAGENTS
SEMIMETALS
SEPARATION PROCESSES
SPECTROSCOPY
SULFONIC ACIDS
TRANSITION ELEMENTS
WASTES
WATER
400105* - Separation Procedures
540120 - Environment
Atmospheric- Chemicals Monitoring & Transport- (1990-)