ISO 5994:1979
$12.35
Sodium sulphate for industrial use — Determination of calcium content — Flame atomic absorption spectrometric method
| Published By | Publication Date | Number of Pages |
| ISO | 1979-09 | 6 |
Specifies a method, the principle of which is based on acidification of a test portion with hydrochlorid acid, aspiration of the test solution into an acetylene-dinitrogen monoxide or acetylene-air-flame, and measurement of the absorption of the 422,7 nm line emitted by a calcium hollow-cathode lamp.
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