Electronic grade aluminium sulfate，Reagent grade aluminium sulfate—Shandong Landing New Energy Technology Co., Ltd.

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AR/CP Grade aluminium sulfate

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1.PRODUCT INTRODUCTION

Product name: AR/CP grade aluminium sulfate

Molecular Formula: Al₂(SO₄)₃·18H₂O

Molecular Weight: 666.43

Property: White and lustrous crystal.granular or powder. Heated at 85'C, it will lost some crystal water and become white powder. At 600'C, it is decomposed into aluminium trioxide. It is soluble in water, nearly insoluble in alcohol. Its water solution is acidic. Electronic Grade Aluminium Sulfate is obtained by purifying on the basis of ordinary aluminium sulfate, which minimizes the content of metal ions such as calcium,magnesium,sodium,iron and so on .

2.SPECIFICATION

Specification	Top Quality	Qualified
Apperance	White powder crystals	White powder crystals
Al%	8.0	8.0
Fe%	0.001	0.002
Zn%	0.0005	0.0010
Mn%	0.0005	0.0010
Cu%	0.0005	0.0010
Cd%	0.0005	0.0010
Ca%	0.003	0.010
Mg%	0.0005	0.001
Na%	0.01	0.05
Pb%	0.001	0.001
Water insoluble %	0.01	0.02
PH(50g/L)	2.5	2.5
ug/kg	200	1000
Cl%	0.001	0.002
Clarity test	Clear	Clear