Криолит cas 15096-52-3 AlF6Na3 с индивидуальным дизайном
US $159.00-$160.00
Поделиться:
Product Name: Potassium Sorbate | ||
Items | Standards | |
Appearance | White to off-white column | |
Assay(on dry weight basis) | 99.0%≈101.0% | |
Solubility | Freely soluble in water and practically insoluble in ether | |
Odor | Slight characteristic odor | |
Heat Stability | No change in color after heating for 90 min at 105ºC | |
Identification Test | (1)Potassium test:Passes Test (2)Test of double bonds:Passes Test (3)UV:conforms with standard spectrum | |
PH-Value(10%water solution) | 8.5-10.5 | |
Transmittance | ≥87.0% | |
Alkalinity(as K2CO3) | ≤1% | |
Chloride(as Cl) | ≤0.018% | |
Sulfate(as SO4) | ≤0.038% | |
Loss On Drying | ≤1.0% | |
Aldehydes(as formaldehyde) | ≤0.1% | |
Arsenic(as As) | ≤3mg/kg | |
Lead | ≤2mg/kg | |
Zinc | ≤0.1mg/kg | |
Cadmium | ≤0.02mg/kg | |
Mercury | ≤1mg/kg | |
Heavy Metals(as Pb) | ≤10mg/kg | |
Total Count Colony | ≤100cfu/g | |
Mould&Yeast | ≤100cfu/g | |
Coliform | ≤30cfu/g |