NILE
CHEMICALS
NILE
CHEMICALS
|
HYDROXY NAPHTHOL BLUE |
|
| ( Indicator for Calcium determination ) | |
| C20H11N2Na3O11S3 M.W. 620.48 | |
| Absorptivity ( A 1% 1cm pH 12.0 on | |
| dried substance ) | 646 nm |
| Suitability as metal indicator | passes test |