Ferrous Sulfate Heptahydrate, 19.7%Fe (FeO4S)

More Views

Ferrous Sulfate Heptahydrate, 19.7%Fe (FeO4S)

  • FOB Price
    $88.00 /ton
  • Total Price
    $88.00
  • Shipping:

    Worldwide

    Countries with no shipping rates: Contact us for shipping options.

  • Delivery time:

    Thursday 22nd December 2016 ?

    Kemcore ships within 14 day after receiving cleared payment.

  • Payments:

    For other payment terms please contact us.

Get My Free Quote Now How to Buy
$88.00
$88.00
100% money back

Kemcore Gurantee

Shop with confidence!

  • ON TIME DISPATCH
    Kemcore.com guarantees to dispatch all products within 14 days of payment depending on the vessel availability.
  • iso certified factories
    Highest-grade products. Benefit from our regularly audited, ISO 9001:2008 certified suppliers.
  • pre-shipment inspection
    Free SGS/BV testing at the loading port. for order above100tons.
  • comprehensive logistics
    Instant Freight Rates - sea & inland transport options available- CIF & CFR options offered.
  • factory direct prices
    Highest quality and purity- direct from the factory.

Contact Us

Contact us
  • Product Application
  • Composition
  • Download Specifications
  • Safety & Handling
  • User reviews

With sodium cyanide use for gold cyanide being the preferred route for gold leaching, we are pleased to offer a product that restores harmony between you and your environment even after usage of cyanide.

Ferrous sulphate is used for detoxification of cyanide complexes in gold plant tailings before being channeled to the slimes dam.

It removes residual cyanide in the tailings aqueous solution by rendering it an immobile precipitate through the following reactions:

Fe2+ + 6CN- → Fe(CN)64-,

2Fe2+ + Fe(CN)64- → Fe2IIFeII(CN)6

The insoluble white ferrous ferrocyanide product rapidly absorbs oxygen from the air and turns deep blue, with the formation of ferric ferrocyanide

3Fe2IIFeII(CN)6 + O2+ 4H+→ Fe2III [FeII(CN)6 ]3 ↓ +2Fe2+ + 2H2O

 

 

Recommended Method of Application

Ferrous sulphate crystals are dissolved in cold water. The solution at a known concentration is kept in a container from where it is dosed at a rate that just detoxifies the residual cyanide. The optimal conditions for the detoxification reaction include a pH of between 5.5 and 6.5 as well as a Fe: CN ratio of  1:2.

 

Identifiers

ATC code

B03AA07

CAS number

7720-78-7 (anhydrous) 
17375-41-6 (monohydrate) 
7782-63-0 (heptahydrate) 

ChEBI

CHEBI:75832 

ChEMBL

ChEMBL1200830 

ChemSpider

22804 (anhydrous) 
56459 (monohydrate) 
22804 (heptahydrate) 

EC-number

231-753-5

PubChem

24393 (anhydrous)
62712 (monohydrate)
62662 (heptahydrate)

RTECS number

NO8500000 (anhydrous)
NO8510000 (heptahydrate)

UNII

2IDP3X9OUD (anhydrous) 
RIB00980VW (monohydrate) 
G0Z5449449 (dihydrate) 
39R4TAN1VT (heptahydrate) 

UN number

3077

Properties

Molecular formula

FeO4S

Molar mass

151.91 g·mol−1

Appearance

White crystals (anhydrous)
White-yellow crystals (monohydrate)
Blue-green crystals (heptahydrate)

Odor

Odorless

Density

3.65 g/cm3 (anhydrous)
3 g/cm3 (monohydrate)
2.15 g/cm3 (pentahydrate)
1.934 g/cm3 (hexahydrate)
1.895 g/cm3 (heptahydrate)

Melting point

680 °C (1,256 °F; 953 K)
(anhydrous) decomposes
300 °C (572 °F; 573 K)
(monohydrate) decomposes
60–64 °C (140–147 °F; 333–337 K)
(heptahydrate) decomposes

Solubility in water

Monohydrate:
44.69 g/100 mL (77 °C)
35.97 g/100 mL (90.1 °C)
Heptahydrate:
15.65 g/100 mL (0 °C)
20.5 g/100 mL (10 °C)
29.51 g/100 mL (25 °C)
39.89 g/100 mL (40.1 °C)
51.35 g/100 mL (54 °C)

Solubility

Negligible in alcohol

Solubility inethylene glycol

6.4 g/100 g (20 °C)

Vapor pressure

1.95 kPa (heptahydrate)

Magnetic susceptibility (χ)

1.24·10−2 cm3/mol (anhydrous)
1.05·10−2 cm3/mol (monohydrate)
1.12·10−2 cm3/mol (heptahydrate)

Refractive index(nD)

1.591 (monohydrate)
1.526–1.528 (21 °C, tetrahydrate)
1.513–1.515 (pentahydrate)
1.468 (hexahydrate)
1.471 (heptahydrate)

  • 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

Request Callback