SCP SW 873 Undercoat is a specially formulated quick drying white in colour acrylic water based undercoat for wood and metal.
SCP SW 873底层漆是一种精心配制，快乾的白色丙烯酸水质底层漆，适用于木材及金属。
To treat tetramethyl ammonium chloride with H2SO4 in organic solvent, a precipitate is produced. A white crystallizing solid TMAHS is prepared after filtrating, washing and drying.
以H_2SO_4处理四甲基氯化铵的有机溶液，立即生成沉淀，经过滤、洗涤、干燥后，得到白色结晶状固体——TMAHS。
Heat the two water calcium chloride, after drying dehydration becomes white anhydrous calcium chloride.
将二水氯化钙进行加热，干燥脱水后就变成了白色的无水氯化钙。
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