“ammonium sulfite”的概念、定义、翻译、参考文献-科学参考

单词	ammonium sulfite
释义	ammonium sulfite Encyclopedia 工学二氧化硫释 ammonium sulfite硫酸铵分子式(NH 4) 2 SO 4 ，分子量132。纯品为无色斜方晶体，工业品为白色至淡黄色结晶体，无气味，熔点80～230℃，0℃时水中溶解度70.6克，100℃时103.8克，不溶于乙醇和丙酮，0.1摩尔/升水溶液的pH为5.5，相对密度1.77，折光率1.521。
随便看	sampling frames error sampling frequency sampling function sampling head Sampling homogeneity cases sampling in adit sampling inspection sampling inspection by attributes sampling inspection by variables sampling inspection having desired operating characteristics sampling inspection of bulk materials sampling inspection passed sampling inspection plan sampling inspection with adjustment sampling inspection with screening sampling integrator sampling interval sampling interval selection sampling investigation sampling item sampling map in ore district sampling method sampling method for investigation sampling methods sampling moment

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