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professional production base of general chemical reagent and pharmaceutical accessories
hotline: 86-15076659665
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aluminum sulfate

aluminum sulfate

aluminum sulfate octadecahydrate

 

molecular formula: al2(so4)3·18h2o

molecular weight: 666.40

[character] white crystalline or crystalline powder. the relative density of 1.69,86.5℃ partial crystallization water loss. it decomposes at about 600℃ to form trioxide. soluble in water, insoluble in alcohol. aqueous solutions are acidic.

[to use] used to analyze reagents. also used as mordant, waterproofing agent, grease decolorizing agent and used in leather, paper, pharmaceutical industry.

[standard]the impurity content is calculated by the highest content

                                 specification

name of index

analytically pure-ar

chemically pure-cp

content [al2(so4)3·18h2o] /%

≥99.0

≥99.0

clarity test

qualified

qualified

aqueous reaction

qualified

qualified

water insolubles

≤0.02

≤0.05

chloride(cl)

≤0.002

≤0.01

ammonium salt(nh4)

≤0.005

≤0.02

ferrum (fe)

≤0.003

≤0.01

heavy metal(pb)

≤0.001

≤0.002

alkali and alkaline earth metals

(as sulfate)

≤0.25

≤0.5

[packing] plastic inside and outside woven, kraft paper bag or cardboard bucket, net weight 25kg.

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add: sanghang industrial park, dacheng county,
hebei, china
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