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Rhodanine Mixing (1 reply)
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Our lab guy has asked about different types of rhodanine: apparently he found cheap stuff and expensive stuff. I thought that there was only one, but I never had to prepare it, myself.
An EPA procedure (https://www.epa.gov/sites/production/files/2015-12/documents/9014.pdf) calls for 20 mg of p-dimethylamino-benzal-rhodanine, C12H12N2OS2, in 100 mL of acetone.
Is this the typical rhodanine and mix formula for titrating free cyanide in leach circuit samples?