oxalic acid 99.6% min

Detailed Product Description

Physiochemical properties:uses: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. Medicine Industry: For making tetracydine ,HCl etc.
Others: As laboratory agent, solvents activato and basic materials for chemical industry. Refining Oxalic Acid Uses:Metallurgy Industry: As precipitating and resolving agent or rare earth material ect.
Others: As laboratory agent,solvents activato and basic materialsfor chemical industry Package:Oxalic Acid specification:

index	Wonderful grade	First grade	Up to grade
purity% ≥	99.6	99.4	99.0
suiphate group % ≤	0.08	0.10	0.20
ignition (850oC) % ≤	0.08	0.10	0.20
heavy metal % ≤	0.001	0.002	0.02
Iron content % ≤	0.0012	0.002	0.01
chlorides % ≤	0.003	0.004	0.01
calcium % ≤	0.0012	/	/

Refining 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