... -6 2.Application:(1), Pharmaceutical industry:Caffeine, Analgin, Aminopyrine, Vitamin B1,etc. (2), Pesticide industry:Triazolone, Disinfest, etc. ... (6), Rubber industry:Coagulation, etc. (7), Steel industry:Acid cleaning of steel production, etc. (8), Paper industry :Pulp ... Items SuperFirstAcidity% ≥94.085.0Colour Index ≤1010Dilution test(Acid+Water)=1+3CLEARCLEARChlorides,As CL % ≤0.0030.003Sulfates, ...