Letter | Published:

Magnetic Evidence regarding the State of Manganese in Glasses

Nature volume 143, pages 599600 (08 April 1939) | Download Citation

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Abstract

MUCH controversy centres around the role of manganese as a colorant of glass. Mellor1 states that manganese colours alkaline glasses pink to violet under oxidizing conditions. According to Thorpe2, the full colour is only developed when manganese is in a fully oxidized condition (Mniv). In Fuwa's3 opinion, the manganic oxide is responsible for the pink colour, and colourless manganese in glasses is bivalent.

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References

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    , "A Comprehensive Treatise on Inorganic and Theoretical Chemistry", 6, 523 (1935).

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Affiliations

  1. University Chemical Laboratories, University of the Panjab, Lahore.

    • S. S. BHATNAGAR

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https://doi.org/10.1038/143599b0

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