磷酸二氫鈉（食品級）
磷酸二氫鈉食品級/飼料級
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
外觀:白色晶狀粉末或顆粒。
Appearance: White crystal powder or granule
用途:在食品工業(yè)中用作酸度調(diào)節(jié)劑、乳化劑、水分保持劑，發(fā)酵工藝中用作發(fā)酵用營養(yǎng)物質(zhì)。在飼料加工中，磷酸二氫鈉作為礦物元素用于養(yǎng)殖動物。
Usage: Used as acidity-adjuster, emulsifier, water-retaining agent,andused as nourishment in fermenting industry.
包裝:25kg、50kg袋裝;集裝噸袋;客戶要求。
Packaging: 25kg,50kg,1000kg bags or according to customer 's demand
規(guī)格：
|
項目 Item |
食品級指標(biāo) Food Grade |
飼料級指標(biāo) Feed Grade |
|
|
磷酸二氫鈉(NaH2PO4)(以干基計),W/% Main contents (Dry basis) |
98.0~103.0 | 98.0~103.0 | |
|
磷酸二氫鈉(NaH2PO4)(以干基計),W/%≥ Main contents (As P) (Dry basis) |
-- | 25.3~26.6 | |
|
干燥減量
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(以干基計),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 | |
| 鉛(Lead)(Pb)/(mg/kg) ≤ | 4.0 | 30 | |
| 砷(Arsenic) (As)/(mg/kg)≤ | 3.0 | 10 | |
| 鉻(Chromium)(Cr)/(mg/kg)≤ | -- | 30 | |
|
硫酸鹽(以SO2計),W/% ≤ Sulphate(as SO) |
-- | 2.0 | |
|
重金屬(以Pb計)/(mg/kg) ≤ Heavy metals(as Pb) |
10 | -- | |
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