[pure-silver] Hypo Test Sensitivity

I'm trying to compare the test sensitivities of HT1 vs HT2. HT1 measures the
residual hypo content of the last wash water using potassium permanganate,
and HT2 measure the residual hypo content of the emulsion using silver
nitrate.

Has anyone used both and can share their experience?





Regards



Ralph W. Lambrecht

http://www.darkroomagic.com






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