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Photonometric Determination of Vanadium and Chromium

โœ Scribed by Bricker, C. E.; Schonberg, S. S.


Book ID
111958494
Publisher
American Chemical Society
Year
1958
Tongue
English
Weight
932 KB
Volume
30
Category
Article
ISSN
0003-2700

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## REAGENTSAND SOLUTIONS (I) Ortho-dianisidine dihydrochloride (3,3'-dimethoxybenzidine). This is a crystalline solid, soluble in water and acids. Its reduced form is colorless, while its oxidized form is red in strongly acid solutions and green in solutions whose pH is higher than 2.1. The formal