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Homepage>BS Standards>71 CHEMICAL TECHNOLOGY>71.060 Inorganic chemicals>71.060.30 Acids>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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immediate downloadReleased: 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)

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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Standard number:BS 4258-8:1978
Pages:12
Released: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.
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