| 2. | Granular anhydrous calcium chloride can be used as drying agent for drying nitrogen , oxygen , hydrogen , and sulfur dioxide gases . it also can be used as dehydrating agent in producing alcohol , ester , ether and propylene resin 无水氯化钙可用作多用途的干燥剂脱水剂,如用于氮气氧气氢气氯化氢二氧化硫等气体的干燥,在生产醇酯醚和丙烯树脂时用作脱水剂。 |