Soda Ash Dense 99%

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    $265.00 /ton
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Soda Ash dense finds modifying usage in mineral flotation chemistry. It is the principal pH modifier used in plants treating Cu-Zn ore with precious metals.

It is widely used in the following processes:

  1. Flotation of partially oxidized ore, flotation of chalcopyrite with activated pyrite
  2. Bulk flotation of sulphides followed by sequential flotation of Cu/Au using xanthate and dithiophosphate as collector. Here soda ash is used as modifier
  3. Copper-zinc ores containing pyrrhotite – in the presence of soda ash, ammonium sulphate exhibits depressing effect.

Our soda ash dense is of unmatched purity, +98% and its addition will add virtually no unwanted components to your process.  It can also be used for pH correction in water treatment facilities as well form part of the fluxing mix in gold smelting or secondary lead refining.

 

Usage Guidelines for Soda Ash 99%

Feature

Soda  Ash Dense

Ores were used

Chalcopyrite and activated pyrite, partially oxidized ores, Cu-Zn ores with pyrrhotite, Auriferous sulphides.

Dosage

200-400g/ton

pH

9-10

Other additions

Ammonium sulphate used as depressant in soda ash in Cu-Zn flotation

Identifiers

CAS number

497-19-8 (anhydrous) 
5968-11-6 (monohydrate) 
6132-02-1 (decahydrate) 

ChEBI

CHEBI:29377 

ChEMBL

ChEMBL186314 

ChemSpider

9916 

EC-number

207-838-8

PubChem

10340

RTECS number

VZ4050000

UNII

45P3261C7T 

Properties

Molecular formula

Na2CO3

Molar mass

105.9888 g/mol

Appearance

White solid, hygroscopic

Odor

Odorless

Density

2.54 g/cm3 (25 °C, anhydrous)
1.92 g/cm3 (856 °C)
2.25 g/cm3 (monohydrate)
1.51 g/cm3 (heptahydrate)
1.46 g/cm3 (decahydrate)

Melting point

851 °C (1,564 °F; 1,124 K)
decomposes (anhydrous)
100 °C (212 °F; 373 K)
decomposes (monohydrate)
33.5 °C (92.3 °F; 306.6 K)
decomposes (heptahydrate)
34 °C (93 °F; 307 K)
(decahydrate)

Solubility in water

Decahydrate:
7 g/100 mL (0 °C)
16.4 g/100 mL (15 °C)
34.07 g/100 mL (27.8 °C)
Heptahydrate:
48.69 g/100 mL (34.8 °C)
Monohydrate:
50.31 g/100 mL (29.9 °C)
48.1 g/100 mL (41.9 °C)
45.62 g/100 mL (60 °C)
43.6 g/100 mL (100 °C)[3]

Solubility

Soluble in aq. alkalis, glycerol
Slightly soluble in aq. alcohol
Insoluble in CS2, acetone, alkyl acetates, alcohol,benzonitrile, liquidammonia

Solubility inglycerine

98.3 g/100 g (15.5 °C)

Solubility inethanediol

3.46 g/100 g (20 °C)

Solubility indimethylformamide

0.5 g/kg

Basicity (pKb)

3.67

Magnetic susceptibility (χ)

−4.1·10−5 cm3/mol

Refractive index(nD)

1.485 (anhydrous)
1.420 (monohydrate)
1.405 (decahydrate)

Viscosity

3.4 cP (887 °C)

 

View FileSoda ash Dense 99% COA    Size: (1.27 MB)

Soda ash  COA

View FileSoda ash SDS    Size: (1.19 MB)

Soda ash 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

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