Oxalic Acid

We are offering oxalic acid.
Specifications
colorless transparent crystal, melting point:101degree.easily soluble in ethanol, soluble in water, slightly soluble in aether
uses:
metallurgy industry :as precipitating and resolving agent for rare earth metal, etc.
Organic synthesis:for 2133 rein,ures form aldehyde powder etc.
Light industry:polishing of da li stone, removing rust bleaching products of leather, wood and aluminium etc.
Printing industry: dyeing agent
medicine industry: for making tetracydine ,hcl etc.
Others: as laboratory agent, solvents activato and basic materials for chemical industry.
Oxalic acid specification:
index
wonderful grade
first grade
up to grade
purity(h2c2o4·h2o)% ≥
99.6
99.4
99.0
suiphate group(so4-2) % ≤
0.0010
0.003
0.005
ash % ≤
0.01
0.015
0.08
heavy metal(pb+2) % ≤
0.00005
0.0001
0.0005
fe+3 % ≤
0.00005
0.0001
0.0005
cl- % ≤
0.0005
0.0005
0.001
ca+2 % ≤
0.0001
0.00015
0.0005
al % ≤
0.0001
0.0001
0.0001
mg % ≤
0.00005
0.00001
0.00001
na % ≤
0.00015
0.0002
0.0005
as % ≤
0.00001
0.00001
0.00001