PARAMETER LIMIT
- Description Clear and colourless solution.
- pH Transition range pH 8.2 – pH 9.8.
- Colourless – red-violet.
- Absorption maximum
- λ max. ( at buffer pH 9.8.) 551nm – 554 nm.
- Weight per ml (at 20°C) About 0.89 g
- Suitability test. Passes test.











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