Determination of d-biotin at the microgram level
β Scribed by Jameel Ahmed; Krishna K. Verma
- Book ID
- 118992832
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 166 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0039-9140
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π SIMILAR VOLUMES
A procedure is reported for the kinetic determination of iodate/periodate mixtures based on the reduction of these anions by the iron(II)/dipyridylglyoxal dithiosemicarbazone complex in an acidic medium. The reaction is monitored spectrophotometrically at 410 nm (absorption maximum of the iron(II1)
Mercury below one part per million in soil and grain samples is difficult or tedious to determine by available methodsle2. Materials low in mercury require large samples resulting in solutions of large volumes and high acidity; both interfere with accurate analysis. The residual finely divided parti