焦磷酸一氫三鈉（食品級）
焦磷酸一氫三鈉 食品級
TRISODIUM PYROPHOSPHATE FOOD GRADE
Molecular Formula:Na3HP2O7·nH2O(n=0 or 1)
MolecularWeight:243.93；261.94
CAS NO: 14691-80-6
Standard executed:GB1886.348-2021，FCC
外觀:白色顆粒或粉末
Appearance:White powder or granule.
用途:主要在食品工業中用作水分保持劑、酸度調節劑等
Usage:Used as moisture retaining agent or acidity adjuster, in foodindustry.
包裝:25kg袋裝;集裝噸袋;客戶要求。
Packaging:25kg,1000kg bags or according to customer's demand.
規格：
|
項目 Item |
指標 Value | |
| 無水型(Na3HP2O7) | 一水型(Na3HP2O7·H2O) | |
|
焦磷酸一氫三鈉含量(以灼燒干基計),W/% Main contents (Ignition basis) |
93.0~100.5 | |
|
總磷酸鹽(以P2O5計),W/% Total phosphate(as P2O5) |
57.0~-59.0 | 53.0~55.0 |
| 水不溶物(Water insoluble),W/% ≤ | 0.2 | |
| 氟化物(以F計)/(mg/kg)Fluoride(as F) ≤ | 10 | |
| 灼燒減量(Loss of ignition),W/% ≤ | 4.5 | 11.5 |
| 干燥減量(Loss of dryness),W/%≤ | 0.5 | 1.0 |
| 鉛(Pb)/(mg/kg)Lead ≤ | 2.0 | |
| 砷(以As計)/(mg/kg)Arsenic(As As)≤ | 3.0 | |
| 鎘(Cd)/(mg/kg) Cadmium ≤ | 1.0 | |
| pH(10g/L溶液)PH value (10g/L solution) | 6.7~7.5 | |
| 正磷酸鹽(Ortho phosphate) | 通過實驗Pass | |
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