a-l?yridylazo)-rasorcinol hns bean synthasizad, ant1 its uses as an analytical reagent far the colorimctric estimation of cobalt, uranium and lead hiLVC been invcstigatccl. It has been shown to ba the most sansitiva rcagcnt for the colorimctric estimation of cobalt, the most sensitive watersoluble r
β¦ LIBER β¦
Pyrocatechol violet as a colorimetric reagent for the estimation of molybdenum, vanadium and tungsten
β Scribed by A. K. Majumdar; C. P. Savariar
- Publisher
- Springer
- Year
- 1958
- Tongue
- English
- Weight
- 140 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0028-1042
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## Abstract A tungstateβresistant mutant of Nostoc muscorum was isolated with severely defective molybdate transport activity. It did not show nitrogenase activity or nitrate reductase activity in the presence or absence of Mo, but expressed both activities in the presence of vanadyl sulphate. Vβde
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