Customer Needs Are Priority Number One
The founders and key personnel of C.E.R.E.S. are former consultants / contractors with experience designing and executing remediation for the remediating soil and groundwater at sites. We understand our customers (i.e. consultants and contractors) goals and concerns. We work hard to anticipate your needs so you can rest easier and have greater confidence in achieving highest performance

Field Experience Delivered.
Turn key services are available to support consultant customers needs to conduct bench scale treatability batch studies or column studies, pilot trial design guidance or subcontracting and full scale guidance or subcontracting. Let us know how we can add more value to our services and help you succeed.

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C.E.R.E.S. Ferrous Sulfate Heptahydate and Monohydrate

Ferrous Sulfate  – Chemistry for heavy metals sequestration and stabilization or Chemical Reduction

Ferrous Sulfate has been used for chromium remediation in the same way that calcium polysulfide has for some decades. It is sometimes a component of MTS® blended chemistries for multi-metal contaminated soils and sold as is (Ferrous Sulfate) to customers who wish to use it on their own. We source only the best available chemistries from trusted manufacturers for environmental applications and with low impurities and HIGH reactivity. We provide reliable and high quality chemical reagents for Heavy Metals Sequestration and Stabilization, and chemical reduction reagents for use in Soil and Groundwater Remediation applications.

Would you like a quote for your project or a sample of one of our zero valent iron products? We can help – 

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Spec Sheet

Spec Sheet

Spec Sheet

Spec Sheet

Options Include

  • Ferrous Sulfate Heptahydrate (20% Fe by wt)
  • Ferrous Sulfate Monohydrate (30% Fe by wt)
  • Liquid Ferrous Sulfate (5-7% Fe by wt)

Proven Field Applications

  • Soil and Groundwater Remediation
  • Heavy Metals Sequestration
  • In Situ Chemical Reduction
  • Water purification
  • Wastewater treatment
  • Micro-nutrients for fertilizers
  • Pigment enhancers


Physical Properties

Form: Powder or liquid.

Solubility in Water: Soluble powder and liquid solution available.

Color: light to dark green


Material Composition

99% Ferrous Sulfate Heptahydrate (20% Fe)
91% Ferrous Sulfate Monohydrate (30% Fe)
Liquid Ferrous Sulfate 5-7% Fe


For Source Reduction and LNAPL Remediation Applications

Sequestration of heavy metal impacted soil and groundwater Remediation is a remedial technology that has been employed for many years around the world by highly specialized remediation engineers who understand the chemistry well and its application.

Sequestration is a process where chemical reagents like Metals Treatment Solution (i.e. MTS®) are applied or injected into soil or groundwater, industrial waste or substrate to form a stable and insoluble precipitate resulting in reduced leachability of the target heavy metals.Heavy metal sequestration chemically binds metal ions in the free liquids and immobilizes them within the soil / substrate thereby reducing their solubility through the chemical reaction. The physical characteristics of the sequestrated or “stabilized” contaminated material is not changed by this process with respect to geo technical properties for redevelopment. It also does not interfere with biological systems or native biota if shallow enough to be in the root zone.

Technical design support, references, papers, and reliable customer service available to all customers.

Applicable Target Compounds:

Petroleum Hydrocarbons:

BTEX-Benzene, toluene,
ethylbenzene, xylenes​
MTBE-Methyl tert-butyl-ether
GRO-Gasoline Range Organics
DRO-Disel Range Organics
ORO-Oil Range Organics

Chlorinated Compounds:


Polyaromatic Hydrocarbons (PAHs):

Pyrene and others


Chemical Supplier for Remediation Projects

  • Magnesium Oxide
  • Magnesium Sulfate
  • Phosphate Chemistries
  • Sulfide Chemistries
  • Ferrous Sulfate Heptahydrate
  • Chemical buffer for pH control
  • Carbon, zeolite and other adsorption materials

Just let us know what you need. Chances are we have it in inventory.


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