氟化铵 工业级 97（％）

ammoniumfluoride

formula：nh4fmolecular weight：37.04

properties：it is a white acicular crystal with relative density 1.009. it is easily deli and agglomerative. it is soluble in water, slightly soluble in alcohol. when it is heated or in hot water decomposition will occur to release ammonia and ammonium bifluoride. the aqueous solution is acidity. it etches glass.

usages：it is used as glass etchant, polishing agent of metal surface, wood preservative, aseptic and disinfector in brewing, textile mordant and analytical reagent. it is also used for extraction of rare elements.

execute standard：

specification：

itemdata

ammonium fluoride（nh4f）％≥97.0

sulphate（so4）％≤0.3

water-insoluble matter％≤0.05

packing：in 25kg plastic woven bag lined with high pressure polyethylene plastic.size: length·width·high= 80·48·16

storage and transportation：gb12268-90 poison article 61513（un2505）

dingsheng chemical & technology co., ltd; zhejiang-quzhou

address：century road no.711, quzhou city,zhejiang province,china(324000)

tel：0086-570-38657823865703fax：0086-570-3865781

http:// www.dshchem.cne-mail：jiangzhan30@ yahoo.cn