1、Chemical Name: Potassium Acetate
2、Molecular Formula : C2H3KO2
3、Molecular Weight: 98.14
4、CAS: 127-08-2
5、Character: It is white crystalline powder. It’s easily deliquescent and tastes salty. PH value of 1mol/L aqueous solution is 7.0-9.0. Relative density(d425) is 1.570. Melting point is 292℃. It’s highly soluble in water (235g/100mL, 20℃; 492g/100mL, 62℃), ethanol (33g/100mL) and methanol (24.24g/100mL, 15℃), but insoluble in ether.
6、Usage: It is used as buffering agent, neutralizer, preservative and color fixative to
protect natural colors of animals and plants.
7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
质量指标 | Specification | FAO/WHO,1992 |
含量(以干基计),w/% ≥ | Content(On Dry Basis),w/% ≥ | 99.0 |
干燥失重(150℃,2h),w/% ≤ | Loss On Drying(150℃,2h), w/% ≤ | 8.0 |
碱度 | Alkalinity | 正常(Normal) |
砷(As),mg/kg ≤ | Arsenic(As),mg/kg ≤ | 0.0003 |
钠化合物 | Test for sodium | 正常(Normal) |
铅(Pb),mg/kg ≤ | Lead(Pb),mg/kg ≤ | 0.001 |
重金属(以Pb计),w/% ≤ | Heavy Metal(As Pb),w/% ≤ | 0.002 |