FAQS

  • What does Graus Chemicals specialize in?

    Graus Chemicals specializes in supplying REMOTOX®, a calcium polysulfide solution for environmental clean-up projects. The company services indsutrial, municipal, and mining customers across North America wich appliations in soil, groundwater, wastewater, and air pollution control.

  • What is REMOTOX?

    REMOTOX® is a liquid calcium polysulfide solution consisting of multiple (poly) sulfur compounds (sulfide, sulfite, sulfate, polysulfide, thiosulfate, thiocyanate, dithionate, polythionate) that strongly bond to heavy metals.

  • What applications is REMOTOX® used for?

    REMOTOX® is used in several key application areas, including:

    • Soil and groundwater remediation

    • Industrial and municipal wastewater treatment

    • Air pollution control and flue gas treatment

    • Mining and environmental cleanup projects

    It is specifically used to help capture, reduce, or precipitate heavy metals and other contaminants.

  • What contaminants can REMOTOX® help treat?

    REMOTOX® is commonly used to address several contaminants, including:

    • Hexavalet Chromium (CrVI)
    • Lead
    • Copper
    • Nickel
    • Zinc
    • Cadmium
    • Mercury
    • Silver

    It can also be used to treat other inorganic compounds and chlorinated solvents commonly found in soils, groundwater, wastewater, and combustion-related waste streams.

  • Why choose REMOTOX® over other reagents?

    REMOTOX® offers several advantages, including:

    • High reactivity with heavy metals
    • Ability to form less soluble metal sulfides over a wide pH range
    • Effective treatment of some chelated or complexed metals
    • No need to dissolve prior to use
    • Low crystallization temperature
    • Stability in storage and transport
    • Potentially lower overall treatment cost compared to some alternatives

    These benefits can make it a practical option for many remediation and wastewater treatment systems.

  • Is REMOTOX® available in different packaging and shipment options?

    Yes. REMOTOX® is available in:

    • Pails
    • Drums
    • IBC totes
    • Bulk tank truckload quantities

    This flexibility allows the product to support both small-scale and large-scale remediation or treatment projects.

  • How should REMOTOX® be stored and handled?

    REMOTOX® should be stored in compatible materials such as stainless steel, fiberglass, HDPE, polypropylene, ABS, PVC, and Teflon. Because the product is corrosive due to its caustic nature, users should wear appropriate PPE, avoid skin and eye exposure, use it outdoors or in well-ventilated areas, and avoid mixing it with acids, combustibles, or oxidizers.

  • How long does REMOTOX® remain effective in storage?

    When tightly sealed and stored at a moderate temperature, REMOTOX® has been tested to maintain effectiveness for a minimum of one year.

  • Where is REMOTOX® manufactured?

    REMOTOX® is manufactured in the Western United States.

  • Is REMOTOX® a liquid or dry material?

    REMOTOX® is a liquid Calcium Polysulfide Solution with a typical concentration of 29% by weight.

  • Is REMOTOX® suitable for groundwater or drinking water-related applications?

    REMOTOX® is a Calcium Polysulfide Solution is NSF 60 approved for use in groundwater treatment and drinking water-related applications, depending on project requirements and applicable regulations. Because approvals and use conditions can vary, customers should confirm current site-specific compliance requirements before use.

     

  • How can I request pricing, samples or technical assistance from Graus Chemicals?

    Graus Chemicals welcomes inquiries for:

     

    - Pricing

    - Technical Assistance regarding chemical properties, handling and storage guidelines

    - Product Samples

    - Technical Data Sheets (TDS)

    - Safety Data Sheets (SDS)

     

    Contact the team directly through the website or by phone/email for more information.