Bleaching powder for Mr. Parkes
Contains no Magnesia - nor Strontia - nor Baryta - no metallic oxide except a little Iron - and no silica or alumina in combination - only a little sabulous matter unacted upon by acids - It is as to base very nearly pure lime.
June 7th 1824 M. Faraday F.R.S. | &c &c
Please cite as “Faraday0236,” in Ɛpsilon: The Michael Faraday Collection accessed on 28 March 2024, https://epsilon.ac.uk/view/faraday/letters/Faraday0236