ISO 3119:1976
$12.35
Boric acid, boric oxide and disodium tetraborates for industrial use — Determination of chromium content — Diphenylcarbazide photometric method
Published By | Publication Date | Number of Pages |
ISO | 1976-04 | 5 |
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Alkaline fusion of a test portion by sodium carbonate and subsequent neutralization by sulphuric acid. Measurement of the absorption of the complex formed by chromium and diphenylcarbazide at a wavelength of abour 540 nm after adding sodium azide for elimination of the colour caused by manganese.
Published Code | ISO |
---|---|
Published By | International Organization for Standardization |
Publication Date | 1976-04 |
Pages Count | 5 |
Language | English |
Edition | 1 |
File Size | 286.7 KB |
ICS Codes | 71.060.01 - Inorganic chemicals in general |
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