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Studies in bivalent chromium salts

Part V Estimation of potassium chromate, potassium persulphate, potassium periodate, ferric iron, sodium peroxide, and hydrogen peroxide, by the oxidation of leuco-methylene blue

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Summary

It has been demonstrated that colourless leuco-methylene blue is oxidised back quantitatively to the original dyestuff, by various oxidising agents. The methods for the estimation of potassium chromate, potassium persulphate, potassium periodate, ferric iron, sodium and hydrogen perioxide have been worked out by estimating the oxidised leuco-dye with chromous sulphate.

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References

  1. Atack, F. W.: Analyst 38, 99 (1913); cf. Z. analyt. Chem. 58, 222 (1919).

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  2. Sorge, G., and K.. Ueberreiter: Angew. Chem. 68, 486 (1956); cf. Z. anal. Chem. 155, 434 (1957).

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  3. Tandon, J. P., and R. C. Mehrotra: Z. analyt. Chem. 158, 20 (1957).

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  4. Tandon, J. P., and R. C. Mehrotra: Z. analyt. Chem. 158, 189 (1957).

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Authors and Affiliations

  1. Chemical Laboratories, B. R. College, Agra University, India

    J. P. Tandon & R. C. Mehrotra

  2. Department of Chemistry, Lucknow University, Lucknow, India

    R. C. Mehrotra

Authors
  1. J. P. Tandon
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  2. R. C. Mehrotra
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Additional information

The authors express their gratitude to the college authorities for providing the necessary facilities for work.

Part IV: cf. Z. analyt. Chem. 159, 422 (1958).

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Tandon, J.P., Mehrotra, R.C. Studies in bivalent chromium salts. Z. Anal. Chem. 162, 31–33 (1958). https://doi.org/10.1007/BF00450153

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  • DOI: https://doi.org/10.1007/BF00450153

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