The sample solution is concentrated by evaporating under vacuum with anhydrous calcium chloride as dessicant.
富集是以无水氯化钙为干燥剂，使试液在真空条件下脱水而浓缩；
2
This combined tinsel is used as evaporating source for the process of vacuum plating with heat evaporation which forms dark brown glass on basic a substrate of general white float glass or plastic.