1、外觀Appearance:白色結(jié)晶粉未 2、熔點(diǎn)Melting point:~185℃ 3、純度Purity:97%~100% 4、重金屬Heavy Metals(Pb):≤10PPM 5、干燥失重Loss on Drying:≤0.2% 6、燃燒殘?jiān)黂esidue on lgnition(Sulfate):≤0.2%
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