BS 4258-8:1978
Current
The latest, up-to-date edition.
Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of calcium content (flame atomic absorption method)
Hardcopy , PDF
English
31-01-1978
NO CONTENTS SECTION
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.
| Committee |
CII/37
|
| DevelopmentNote |
Also numbered as ISO 3707 Supersedes 75/50842 DC (08/2005) Reviewed & Confirmed by BSI, July 2017. (06/2017)
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This International Standard specifies a flame atomic absorption method for the determination of the calcium content of phosphoric acid for industrial use (including foodstuffs).
| BS 4258-10:1978 | Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of oxides of nitrogen content |
| BS 4258-9:1978 | Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of chloride content |
| BS 4258-12:1982 | Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Guide to sampling techniques |
| BS 4258-6:1976 | Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of arsenic content |
| BS 4258-7:1978 | Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of total phosphorus (V) oxide content: quinoline phosphomolybdate gravimetric method |
| ISO/R 847:1968 | Withdrawal of ISO/R 847-1968 |
| BS 4258-4:1975 | Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of fluorine content |
| BS 4258-2:1968 | Methods of test for phosphoric acid for industrial use. Determination of iron content |
| BS 4258-10:1978 | Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of oxides of nitrogen content |
| BS 4258-9:1978 | Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of chloride content |
| BS 4258-3:1975 | Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of sulphate content |
| BS 4258-6:1976 | Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of arsenic content |
| BS 4258-7:1978 | Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of total phosphorus (V) oxide content: quinoline phosphomolybdate gravimetric method |
| BS 4258-11:1982 | Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of lead content (atomic absorption spectrometric method) |
| BS 4258-5:1975 | Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of silica content |
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