product details

Beijing KangPuHuiWei Technology Co.,Ltd.

Borax

Author：admin Time：2019-01-04 09:45:54

Product Information

Borax Na2B4O7·10H2O

Relative molecular Weight:381.42

Properties:Colorless transparent blockcrystal or crystalline powder.Weathering in dry air.100 ° C lose fivemolecules of crystal water.320 ℃ completely dehydrated.The temperature of 75 ° C.Solublein water and glycerol,The aqueous solution is basic.Insoluble in alcohol andacids.

Reference standard: GB 6856-86 GB/T632-93

Specifications: Content and content of impurities in %

Test Items	分析纯	化学纯
Content	99.5	99.0
Clarity test	合格	合格
Hydrochloricacid insoluble matter	0.002	0.02
Chloride （Cl）	0.002	0.005
Sulfate（SO4）	0.01	0.015
Phosphate（PO4）	0.002	0.005
Magnesium and calcium（以Ca计）	0.005	0.02
Iron（Fe）	0.0003	0.0005
Copper（Cu）	0.001	0.002
Lead（Pb）	0.001	0.002

Usage:Used as analytical reagent,such asthe pH value of the standard, the preparation of buffer solution, as asolvent.also used in the electronics industry.

Reagent AR/CP Borax

Last：Sodium citrate, dihydrate

Next：Glucose