...指标 (Index) 一等品(First class) 合格品(Qualified) 含量 , ％ ≥ 96.0 95,0 水不溶物含量(Substances not dissolved in water), ％ ≤ 0.10 0.20 铁含量(Fe) , ％ ≤ 0.02 0.02 用途：用作气体和液体的无机干燥剂，有机合成脱水剂，制造磷酸、磷化物、磷酸脂...
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提出一种测定原盐中水不溶物含量的新方法。
A new method to determine insoluble substance in raw salt is presented.
延长碱化时间，产物中水不溶物含量下降，之后趋于稳定；
The insoluble product reduces at initially and then keeps stability later with the time of basification extending.
研究了合成过程中乙醇溶液、氢氧化钠、环氧丙烷、反应温度、反应时间等因素对产品表观黏度和水不溶物含量的影响。
The influences of the factors, such as ethanol solution, sodium hydroxide, propylene oxide, reaction temperature, reaction time on apparent viscosity and water insoluble substance of HPG are studied.
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