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Preservation of colorimetric standards for the determination of hydrogen-ion concentration

โœ Scribed by J.S.H.

Publisher
Elsevier Science
Year
1926
Tongue
English
Weight
56 KB
Volume
202
Category
Article
ISSN
0016-0032

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๐Ÿ“œ SIMILAR VOLUMES

Colorimetric determination of hydrogen i
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## Colorimetric Determination of Hydrogen Ion Concentration.--- In the determination of the hydrogen ion concentraction in liquids colorimetrically by means of indicators, an indicator is usually added to several cubic centimetres of the liquid. LLOYD

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A generally applicable, inexpensive, and sensitive method for the determination of inorganic pyrophosphate (PPJ was developed. PPi was quantitatively separable from solution even in nanomolar concentrations by filtration through a membrane filter in the presence of CaCl\* and KF. The separated #'Pi