Oxalic acid Dihydrate 99%

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652 Tons Sold. ( >180 days)

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Saturday 21st September 2019 ?

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HongKong, China, Czech Republic
Mining Explosives, Grinding Media, Flotation Reagents, Leaching Chemicals, Refining, Water Treatment
11-50 Employees
US$5 Million - US$10 Million
2007
12312+ Customers
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Oxalic acid is used as a gangue depressant during the flotation of ores containing oxidic minerals. Some of the processes were it is used are:

Flotation of niobium – used as a silica, dolomite depressant and pH regulator
During niobium/zirconium separation from bulk concentrate as a zirconium depressant.
As a gangue depressant in the flotation of some rare earth oxides eg monazite
Oxalic acid can also be used to pre-treat chalcopyrite coated with limonite. The limonite coat renders the chalcopyrite not amenable to flotation and is cleaned up by oxalic acid before washing and then flotation.

Usage Guidelines for Oxalic Acid 99%

Feature	Oxalic Acid 99%
Ores were used	Sulphides, depresses pyrites, pyrrhotite: Also used as gangue depressant in ores containing oxidic minerals
Dosage	200-300g/ton
pH	+12
Other additions	Lime/caustic soda. Sometimes used together with ammonium chloride

Identifiers
3DMet	B00059
ATCvet code	QP53AG03
Beilstein Reference	385686
CAS number	144-62-7
ChEBI	CHEBI:16995
ChEMBL	ChEMBL146755
ChemSpider	946
DrugBank	DB03902
EC number	205-634-3
Gmelin Reference	2208
KEGG	C00209
MeSH	Oxalic+acid
PubChem	971
RTECS number	RO2450000
UNII	9E7R5L6H31
UN number	3261
Properties
Molecular formula	C₂H₂O₄
Molar mass	90.03 g·mol⁻¹ (anhydrous) 126.07 g mol⁻¹ (dihydrate)
Appearance	White crystals
Density	1.90 g cm⁻³ (anhydrous) 1.653 g cm⁻³ (dihydrate)
Melting point	102 °C (216 °F; 375 K) 101.5 °C (214.7 °F) dihydrate
Solubility in water	143 g/L (25 °C)
Solubility	237 g/L (15 °C) in ethanol 14 g/L (15 °C) in diethyl ether
Acidity (pK_a)	1.25, 4.14

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Oxalic acid Dihydrate 99% COA Size: (1.26 MB)	Oxalic acid Dihydrate 99% COA
Oxalic acid SDS Size: (1.21 MB)	Oxalic acid SDS

With thousands of suppliers competing for our business, Kemcore has proven to be the most reliable and consistent import/export company in China, offering quality chemicals at competitive prices. We strive to continue working with them.

Macheng Macheng
Senior Buyer
KS Energy (Pty) Ltd
Kemcore’s greatest advantage is understanding our culture, values, and expectations for business transactions, quality, and delivery from the Asian market feeding into Africa. Our business started with trial orders of 20 tons to the current 350 tons per month.

Mike Peto
Managing Director
Sesani EPCM
Our import volume of chemicals and other mining accessories stands at $5.65mil/yr. We have significantly increased our market share due to the competitiveness & consistency in quality.

Menfred Mukumba (MCIPS)
Supply Chain Manager
Intrachem Pvt Ltd
Kemcore continues to be instrumental in procuring a complete suite of reagents for our gold/copper flotation plant . I do not hesitate to recommend Kemcore services for Xanthate, DTP's plant reagent supply, especially when procuring out of China.

Brienie Dzumbunu
Metallurgical Superintendent
Pan African Mining