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3500-Cr Chromium (2001)

3500-Cr Chromium (2001)

Approved by SM Committee: 2001

[E] - EPA Approved
[R] - Revised

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Description

The colorimetric method (3500-Cr B) is useful for the determination of hexavalent chromium in a natural or treated water in the range from 100 to 1000 µg/L. This range can be extended by appropriate sample dilution or concentration and/or use of longer cell paths. The ion chromatographic method with photometric detection (3500-Cr C) is suitable for determining dissolved hexavalent chromium in drinking water, groundwater, and industrial wastewater effluents. The electrothermal atomic absorption spectrometric method (3113) is suitable for determining low levels of total chromium (<50 µg/L) in water and wastewater, and the flame atomic absorption spectrometric methods (3111) and the inductively coupled plasma methods (3120 and 3125) are appropriate for measuring concentrations up to milligram-per-liter levels.

Methods

[E] [R] [N] Product
  [R]    A. Introduction
[E] [R]    B. Colorimetric Method
[E] [R]    C. Ion Chromatographic Method

Companion Products

[E] [R] [N] Product Price  
  [R]   1080 Reagent Water $75.00
  [R]   3020 Quality Assurance/Quality Control (2002) $0.00