ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
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Effect of temperature on the on exchange separation of chromium and manganese

V. Koprda and M. Fojtík

Institute of Industrial Hygiene and Occupational Diseases, Bratislava

 

Abstract: The sepn. of Cr3+ and Mn2+ as chloro complexes in 10.5M HCl at higher temps. by the anion exchange resin Dowex 2 × 8 (100-200 mesh) was studied, with 51Cr and 54Mn traces with 10.5M HCl elution for Cr and 7M HCl elution for Mn. The sepn. coeff. (equals 1 at room temp.) is increased 4 times if the temp. is increased 70°, and quant. sepn. was possible at 55-80°. This process can replace more complicated processes for some special sepns.

Full paper in Portable Document Format: 194a294.pdf (in Slovak)

 

Chemical Papers 19 (4) 294–298 (1965)

Sunday, April 21, 2024

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