Letter | Published:

Metachromism

Nature volume 13, page 385 | Download Citation

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Abstract

MR. FLINDERS PETRIE in his interesting letter (vol. xiii. p. 348) criticises the abstract of my paper which appeared in NATURE some weeks ago. Before considering his communication, I would remark that my argument against Schönbein's theory accounting for metachromism is based upon the colour relation which he mentions. I gave a small table of anhydrous binary compounds which conform to the rule, and that table includes the chlorides of chromium which Mr. Petrie has pushed out into the cold. The relation is thus referred to:— “Those compounds in a series which show the highest amount of the basylous element have the most refrangible colours.” So far as I am aware, it is there announced for the first time.

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  1. Royal College of Chemistry, South Kensington, March 4

    • WM. ACKROYD

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DOI

https://doi.org/10.1038/013385c0

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