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Item | Specifications |
Appearance | White or slightly yellow, fibrous powder or granular form |
Identification test | Pass test |
Viscosity (1% dry aqueous solution) mPa·s | 200-500 |
Degree of substitution | 0.90-1.50 |
pH (10g/L aqueous solution, 25℃) | 6.0-8.5 |
Loss on drying (105℃±2℃, 2h), % | ≤8.0 |
Chloride (calculated as NaCl), % | ≤0.5 |
Sodium glycolate, % | ≤0.4 |
Purity, % | ≥99.5 |
Na, % | ≤12.4 |
As, mg/kg | ≤2.0 |
Pb, mg/kg | ≤2.0 |













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