Hostname: page-component-7bb8b95d7b-dtkg6 Total loading time: 0 Render date: 2024-09-07T04:36:26.123Z Has data issue: false hasContentIssue false

Note on the loss of phosphoric acid during fusion with ammonium fluoride

Published online by Cambridge University Press:  27 March 2009

William A. Davis
Affiliation:
(Rothamsted Experimental Station.)
James Arthur Prescott
Affiliation:
(Rothamsted Experimental Station.)

Extract

1. When salts or minerals containing phosphoric acid are ignited with ammonium fluoride as in the ordinary process of analysis of silicates, considerable loss of the phosphoric acid may occur. It is probable that the phosphorus is volatilised in the form of a phosphorus fluoride.

2. The loss is least in the case of salts containing an alkali metal. It is less in the case of disodium hydrogen phosphate than in that of potassium dihydrogen phosphate, and is greatest in the case of phosphates of the alkali earth metals, such as calcium phosphate or apatite.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1916

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Page 137 note 1 This Journal, 1914, 6, 111.Google ScholarPubMed