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Sodium Bichromate

Sodium Bichromate

Packaging Details : In reinforced-type composite plastic woven bags, net weight for each: 25kg, or 40kg
Delivery : within 10 days after received deposit
Payment Terms : T/T in advance or L/C at sight
Place of Origin : CHINA
brief : Supplying Ability:1000 Ton per Month
Samples : Free
Minimum Order : one 20`container
Inspection : SGS
Category : Calcium Oxide
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Product Character
Chemical Formula: Na2Cr2O7•2H2O, molecular weight: 298.00. 
Bright orange monoclinic needle shaped or granular crystal,
dehydrated to copper-brown substance at 84.6℃.
Deliquesces readily in air, and easily soluble in water, forming an
acidic orange solution. A strong oxidizing agent in an acidic
medium. Poisonous.
Application
Mainly used in the manufacture of chromium anhydride, yellow
pigments and other chromate salts. 
Also used in leather tanning, textile dyeing, electroplating,
medicine, lipids, oil-well drilling and wood preservation etc.
Notice
1. Avoid moisture, heat and shock during storage and
transportation. Keep away from combustibles.
2. Do not store with foodstuff or strong reducers. 
3. Avoid contacting with eyes and skin.
4. Personal protective appliance should be equipped with, such as
self-suction respirator, acid-proofing rubber gloves, security coat
and boot, chemical-resistant protective glasses.
5. In case of leakage, reduce with 10% sulfuric acid and ferrous
sulfate, and neutralize with calcium oxide immediately.
Executive Standard
GB/T1611/2003
Item
Premium grade First grade Standard grade
Content %≥ 99.50 98.30 98.00
SO42- %≤  0.2 0.3 0.4
CL- %≤ 0.2 0.2 0.7
Fe %≤ - - 0.005 
insoluble matter %≤ - - 0.001 

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