Extraction-spectrophotometric determination of chromium with Nitrotetrazolium Blue
โ Scribed by Kamburova, Mary
- Publisher
- Springer-Verlag
- Year
- 1998
- Weight
- 315 KB
- Volume
- 128
- Category
- Article
- ISSN
- 0344-838X
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๐ SIMILAR VOLUMES
ChrommmWI) (O-100 pg) can be determmed spectrophotometncally at 365 nm after its extraction as benzyltributylammomum dlchromate mto chloroform The effects of aadlty, diverse ions and maskmg studies are reported The system has been apphed to the detemunatlon of chromium m steels Keywords Spectrophoto
Chromium(V1) (< 500 pg dichromate) can be determined spectrophotometrically at 365 nm after its extraction as protriptylinium dichromate into acetone-chloroform (l:l, v/v). The effects of acidity, diverse ions and masking studies are reported. The relative standard deviation for determination of 200