分子量：295.39
分子式：Zn(H2PO4)2·2H2O
品质等级：特级，XH-550A；工业级：XH-550B。
物理性质：白色结晶，熔点低，在100℃时开始分解，易潮解，溶于水而分解，溶于酸和碱，常温下在空气中稳定，有腐蚀性、潮解性。
主要用途：电镀添加剂原料、磷化液(粉)原料、陶瓷工业着色剂、玻璃工业澄清剂等。
技术指标：(XH-550A)
| 序 号 |
指标名称 |
技术指标 |
| 1 |
锌含量(以Zn计)，%，≥
|
20.2 |
| 2 |
磷酸及磷酸盐含量(以P2O5计)，%，≥
|
47.5 |
| 3 |
硫酸盐(以SO42-计)，%，≤
|
0.05 |
| 4 |
重金属(以Pb计)，%，≤
|
0.02 |
| 5 |
铁(以Fe2O3计)，%，≤ |
0.05 | |
包装贮运：内衬二层塑料袋的编织袋包装，每袋净重25kg，贮存于阴凉、通风、干燥的仓库内，注意防潮密封，远离热源和火种。
| XIANGHE XH-550 HIGH GRADE ZINC DIHYDROGEN PHOSPHATE |
Molecular weight: 295.39
Molecular formula: Zn(H2PO4)2·2H2O
Quality classes: special grade, XH-550A; Industrial grade, XH-550B
Physical properties: white crystal, low melting point, easily deliquescent, soluble in water and decompose, soluble in acid and alkali, stable in air under normal temperature, has causticity and deliquescence.
Main applications: raw materials for galvanization additive, parkerizing agent/powder, chinaware colorant and clarifier for glass industry.
Specifications: (XH-550A)
| Number |
Item |
Index |
| 1 |
Content (as Zn ), %, ≥ |
20.2 |
| 2 |
Content of phosphoric acid and phosphates(as P2O5), %, ≥ |
47.5 |
| 3 |
Sulfate (as SO42-), %, ≤ |
0.05 |
| 4 |
Heavy metal (as Pb), %, ≤ |
0.02 |
| 5 |
Ferrum (as Fe2O3), %, ≤ |
0.05 | |
Package: knitting bag with double-layers plastic bag inside, 25kg/bag. Should be stored in shady, dry and wellventilated warehouse. Moisture-proof should and avoidance from heat and kindling should be required.
|