METHYLENE BLUE (ZINC FREE) - BASIC BLUE 9 (C.I.NO.52015)

PHYSICAL APPEARANCE : Dark Green Crystalline Powder.

ASSAY CONTENTS ON AS IS BASIS : 85 % Min.

ASSAY CONTENTS ON DRY BASIS : 98 % Min

LOSS ON DRYING AT 105'C : 11.0 % TO 12.0 %

IRON CONTENTS : 600 ppm Max

ASH CONTENTS : 0.60 % Max

ZINC FREE : Passes Turbidity Test