Description
Brand : CDH
Packings : 25 Gram
Grade : Microscopy
PARAMETER LIMIT
- Description Dark green crystalline powder.
- Dye Content (Titanometry; on dried substance) > 88.0%
- Absorption Maximum (in 50% ethanol) 549 – 552 nm
- Absorption Ratio (A max – 15 nm) / (A max + 15 nm) 1.16 – 1.35
- Absorptivity (A1% / 1 cm atmax in 50% ethanol; on dried basis)
- 2000 – 2710
- Suitability for microscopy To pass the test.
- TLC examination To pass the test.
MAXIMUM LIMIT OF IMPURITY
– Loss on drying (at 110°C) 10.0%