磷酸二氢钠（食品级）
磷酸二氢钠食品级/饲料级
MONOSODIUM PHOSPHATE FOOD GRADE
Molecular Formula: NaH2PO4; NaH2PO4·H2O ; NaH2PO4·2H20
Molecular Weight: 119.98;137.99;156.01
CAS NO.:7558-80-7(Anhydrous);10049-21-5(Monohydrate);13472-35-0(Dihydrate)
Standard executed:GB1886.336-2021 GB34456-2017
外观:白色晶状粉末或颗粒。
Appearance: White crystal powder or granule
用途:在食品工业中用作酸度调节剂、乳化剂、水分保持剂，发酵工艺中用作发酵用营养物质。在饲料加工中，磷酸二氢钠作为矿物元素用于养殖动物。
Usage: Used as acidity-adjuster, emulsifier, water-retaining agent,andused as nourishment in fermenting industry.
包装:25kg、50kg袋装;集装吨袋;客户要求。
Packaging: 25kg,50kg,1000kg bags or according to customer 's demand
规格：
|
项目 Item |
食品级指标 Food Grade |
饲料级指标 Feed Grade |
|
|
磷酸二氢钠(NaH2PO4)(以干基计),W/% Main contents (Dry basis) |
98.0~103.0 | 98.0~103.0 | |
|
磷酸二氢钠(NaH2PO4)(以干基计),W/%≥ Main contents (As P) (Dry basis) |
-- | 25.3~26.6 | |
|
干燥减量
Loss of dryness |
(NaH2PO4) ≤ | 2.0 | 2.0 |
| (NaH2PO4·H2O) ≤ | 10.0~15.0 | 10.0~15.0 | |
| (NaH2PO4·2H2O)≤ | 20.0~25.0 | 20.0~25.0 | |
|
水不溶物(以干基计),W%≤ Water insoluble |
0.2 | 0.2 | |
|
pH值(10g/L溶液) pH value(10g/L solution) |
4.1~4.7 | 4.1~4.7 | |
| 氟(Fluoride)(F)/(mg/kg)≤ | 30 | 200 | |
| 铅(Lead)(Pb)/(mg/kg) ≤ | 4.0 | 30 | |
| 砷(Arsenic) (As)/(mg/kg)≤ | 3.0 | 10 | |
| 铬(Chromium)(Cr)/(mg/kg)≤ | -- | 30 | |
|
硫酸盐(以SO2计),W/% ≤ Sulphate(as SO) |
-- | 2.0 | |
|
重金属(以Pb计)/(mg/kg) ≤ Heavy metals(as Pb) |
10 | -- | |
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