技术指标:
检验项目(Inspection items) 标准规定(standard) 检验结果(Inspection results)
外观(Appearance) 白色粒状、针(White granular,needle) 白色针状(White needle)
纯度(Purity),% 99.5min 99.86
熔点(Melting point),°C 96-99 98.6
水分(Moisture),% 0.1max 0.032
灼烧残渣(以硫酸盐计),%
Burning residua (as SO4) ,% 0.05max 0.023
乙醇溶解试验(Ethanol dissolution test) 明晰,透明(Clear,transparent) 明晰,透明(Clear,transparent)
PH 5.3--6.3 5.80
OPDA(PPM) 100max 20