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| QB/T 1641-1992 Chemical Analysis Method of Gypsum for Ceramics (English Version) |
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Detail of QB/T 1641-1992
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Introduction of QB/T 1641-1992
本标准规定了石膏吸附水、结晶水、酸不溶物、三氧化硫、氧化钙、氧化镁、二氧化硅、三氧化二铝、三氧化二铁、二氧化钦、氧化钾、氧化钠成分的分析方法。
本标准适用于含二水硫酸钙为主要成分的天然石膏和含半水硫酸钙为主要成分的陶瓷模用石膏粉的定量化学分析。
Contents of QB/T 1641-1992