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sklademVydáno: 1978-01-31
BS 4258-8:1978
Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of calcium content (flame atomic absorption method)
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| Označení normy: | BS 4258-8:1978 |
| Počet stran: | 12 |
| Vydáno: | 1978-01-31 |
| ISBN: | 0 580 09938 5 |
| Status: | Standard |
DESCRIPTION
BS 4258-8:1978
This standard BS 4258-8:1978 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use is classified in these ICS categories:
- 71.060.30 Acids
This International Standard specifies a flame atomic absorption method for the determination of the calcium content of phosphoric acid for industrial use (including foodstuffs).
Determination of calcium content down to 10 mg/kg by photometric measurement of absorption of the 422.7 line emitted by a hollow cathode calcium lamp. Also for use in the food industry.