产品信息 - ammonium aluminum sulfate->handbag accessories

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ammonium aluminum sulfate

产品分类 :

服飾及紡織->配件->包包配件

产品规格

Country	CN
Brand	std
Packing	25kg/bag,25kg/durm
Minimum Order	25
Payment Term	L/C,T/T

产品描述

ammonium aluminum sulfate [NH4Al (SO4) 2] is a colorless, clear crystal or white powder.Taste slightly sweet and astringent. Its slightly soluble in water, dilute acid and glycerol, water-soluble acidic. Insoluble in alcohol. Often with 12 crystal water form [Dodecahydrate ammonium aluminum sulfate, commonly known as ammonium alum, chemical formula NH4Al (SO4) 2 · 12H2O] exists. At 120 ℃  loss of 10 molecules of crystal water, in 250 ℃ be anhydrous, above  280 ℃ decomposition. The packaging should be complete and the load should be safe. During transport to ensure that the container does not leak, do not collapse, do not fall, no damage. It is forbidden to mix and transport with oxidants, edible chemicals and so on. Transport should be anti-exposure, rain, high temperature. Vehicle transport should be carried out thoroughly cleaned.


Detailed introduction:


Synonyms:Aluminium ammonium sulfate; aluminum ammonium disulfate,alum,ammonia alum,aluminium ammonium sulfate 
Molecular Formula:NH4Al(SO4)2 
Molecular Weight: 237.15 
Cas No.: 7784-25-0


ammonium aluminum sulfate Specification:


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Content

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99.5-100.5% Min

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                Moisture 

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4% Max

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As

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2 ppm max

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Pb

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    20 ppm Max

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water insoluble

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    0.2% Max

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appearance 

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white crystal or powder 

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Usage:

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Used as Analysis reagents, mordant, water purifier; used in the manufacture of pigments, copperplating 
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