High Quality Chemical Sodium Formaldehyde Bisulfite 870-72-4 - 870-72-4 and Sodium Formaldehyde Bisulfite
Product Description
HIgh quality Sodium formaldehyde bisulfite 870-72-4
Two specs: One is powder with purity 95%, the other is liquid with purity 28%
Powder specifications are as below:
| tems | Technical index |
| Appearance | White crystal powder |
| Assay | 95%min |
| PH | 3.0-6.0 |
| Refractive Index(20°C) | 1.20-1.22 |
Packing is 25kgs in a plastic bag then in a drum
Liquid specifications are as below
| ssay | 28%min |
| Appearance | Clear colorless liquid |
| Density g/cm3 (20°C) | 1.20~1.25 |
| PH | 4.5-6.5 |
| Refractive Index(20°C) | 1.3700~1.3830 |
Packing: 25kgs/ plastic drum
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