| Spending Type | : Consumable |
| Category | : Microbiology and Life Science |
| Type | : Molecular Biology |
| SKU | : 1.10123.0025 |
110123 Protamine sulfate untuk biokimia
atau disebut juga : Salmine sulfate
Simpan pada +15°C hingga +25°C.
| Nitrogen content (Kjeldahl; calc.on dried substance) | 22.5 - 25.5 % |
| Assay of sulfate (gravimetrically; calc. on dried substance) | 16 - 22 % |
| Identity (IR-spectrum) | passes test |
| Appearance | white to almost white, crystalline powder |
| Appearance of solution (5 g/l; water) | clear to almost clear, colorless to slightly yellow |
| Absorbance (260-280 nm, 10 g/l, 1 cm, water) | ≤ 0.1 |
| Spec. rotation (α 20/D, 10 g/l, hydrochloric acid 0.1 mol/l, calc. on dried substance) | -65 to -85 |
| Fe (Iron) | ≤ 0.001 % |
| Hg (Mercury) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.002 % |
| Loss on drying (105 °C; 3 h) | ≤ 5 % |
