The use of 2\_[(4-phenylthioacetic acidJazoI-1,8-dihydroxynaphthalene-3,6-disulphonic acid as an indicator for the titrimetric determination of both calcium and total calcium plus magnesium is reported. The variables affecting the colour change at the end-point were optimized. The method is free fro
Estimating the accuracy of the titrimetric determination of sulfate ion in natural water and in waste water using various indicators
β Scribed by I. P. Smirnov; Z. S. Lapkina; I. V. Chikh
- Book ID
- 104807104
- Publisher
- Springer US
- Year
- 1990
- Tongue
- English
- Weight
- 224 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0015-0541
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=7s d'addition du reactif est de 5. x0-2 ml/min. Le point 6quivalent correspond au point d'inflexion de la courbe enrcgistr~e. Conclzlsion L'exploitation statistique des r&ultats obtcnus, montre que le dosage volumetrique du bCryllium reste possible meme en presence d'uranium, l'influencc de cc demi
A flow-mJectlon method for the determmatlon of dissolved organic carbon concentrations m natural and waste waters IS described The analysis IS based on m-hne W photo-oxldatlon of dissolved orgamc carbon (DOC) to carbon dloxlde with spectrophotometrlc detectlon The method IS rapld (ca 45 samples h-l)