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    Tangshan Huizhong Chemical Industry Co., Ltd.

    Factory add:Nanpu Economic and    Technological Development Zone,    Tangshan

      Office Phone:0315-8515599/8515577

      Fax:0315-8515522

    Domestic business:13803152373

                                        13633156969

      E-Mail:sun@huizhongchem.com

    Foreign business I:+86-15822712322  

      E-Mail:steven@huizhongchem.com

    Foreign business II:+86-13803152373

      E-Mail:sun@huizhongchem.com

  • The use and difference of anhydrous sodium sulfite in sewage treatment

    2020-06-09
    What are the roles of anhydrous sodium sulfite and sodium chlorite in sewage treatment:  Sodium chlorite:  Sodium chlorite is easily soluble in w...
    Understanding details +
  • The use and chemical properties of anhydrous sodium sulfite

    2020-06-05
    Anhydrous sodium sulfite has a wide range of uses. Here are a few examples:First, it is used for the microanalysis and determination of tellurium and niobium a...
    Understanding details +
  • Is sodium metabisulfite edible

    2020-06-04
    The sodium metabisulfite factory told us that sodium metabisulfite is inedible, and sodium metabisulfite is an industrial product and is toxic.Sodium metabi...
    Understanding details +
  • Process technology of sodium bisulfite from sodium bisulfite manufacturers

    2020-05-13
    Bisulfite combines with hydrogen ions to obtain sulfurous acid. Sulfurous acid is more acidic than bisulfite. According to "weak acids cannot generate s...
    Understanding details +
  • How to identify anhydrous sodium sulfite

    2020-05-13
    Anhydrous sodium sulfite for film development1. D-76 developer formula: (example)Warm water (52 degrees Celsius = 125.6 degrees Fa...
    Understanding details +
  • What is the difference between anhydrous sodium sulfate and sodium sulfate

    2020-05-13
    Production process of anhydrous sodium sulfate and sodium sulfate:1. Vacuum evaporation method will dissolve the natural thenardite and clarify it. The ...
    Understanding details +
  • Sodium bisulfite manufacturers tell you the matters needing attention in the operation of sodium bisulfite

    2020-05-13
    Sodium bisulfite has strong reducing properties, so it should not be contacted with acids or acidic substances. The following are the matters needing attention ...
    Understanding details +
  • What is the difference between sodium bisulfite and sodium metabisulfite

    2020-05-13
    What does sodium metabisulfite become in water?First: Sodium metabisulfite is a toxic chemical that has a significant stimulating effect on the skin and mucous ...
    Understanding details +
  • Is sodium metabisulfite toxic? Can it be used as a food additive?

    2020-05-13
    Sodium metabisulfite has an obvious stimulating effect on the skin and mucous membranes, which can cause conjunctival and bronchitis symptoms. People ...
    Understanding details +
  • How to use sodium metabisulfite

    2020-05-13
    Reference standard for sodium metabisulfite:The hygienic standard for the use of food additives in my country (GB2760-86) stipulates the use standard of sodium ...
    Understanding details +
  • Application of food additives-sodium metabisulfite

    2020-05-13
    Sodium metabisulfite is a widely used food additive. In addition to its bleaching effect, it also has the following effects:1) Anti-browning effect, enzymatic b...
    Understanding details +
  • Sodium metabisulfite has strong reducibility

    2020-05-13
    Fire protection measures of sodium metabisulfite  Hazardous characteristics: strong reduction. Contact with strong oxidants such as chromic anhydride, chlor...
    Understanding details +
  • Sodium bisulfite manufacturers should pay attention to sealing knowledge about packaging sodium metabisulfite

    2020-05-13
    1. The packaging bag (barrel) should be painted with a firm logo, including: product name, grade, net weight and name of the manufacturer.2. Sodium metabisul...
    Understanding details +
  • Effect of sodium carbonate dosing method on the treatment effect of sodium sulfite production wastewater

    2020-05-13
    Effect of sodium carbonate dosage method on the treatment effect of sodium sulfite production wastewater: Sodium carbonate is used as a neutralizing agent,...
    Understanding details +
  • Effect of Neutralization Reaction Speed on the Treatment Effect of Sodium Sulfite Production Wastewater

    2020-05-13
    Effect of neutralization reaction rate on the treatment effect of sodium sulfite production wastewater:In a 250 mL three-necked flask, 30 mL of saturated sodium...
    Understanding details +
  • The difference between sodium metabisulfite food grade and industrial grade

    2020-05-13
    The differences between sodium metabisulfite food grade and industrial grade are as follows: One: According to the comp...
    Understanding details +
  • Emergency treatment measures after sodium metabisulfite leakage

    2020-05-13
    Once sodium metabisulfite leaks, immediately isolate the leaked contaminated area and restrict access. It is recommended that emergency personnel wear dust mask...
    Understanding details +
  • What are the hazards of sodium metabisulfite and how to prevent it

    2020-05-13
    Sodium metabisulfite is widely used, so do you know what are the hazards of sodium metabisulfite? What should we do if an accident occurs? Let us understand the...
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  • What are the hazards of the identification of anhydrous sodium sulfite

    2020-05-13
    (1) The aqueous solution of anhydrous sodium sulfite (1→10) is alkaline, and the solution shows the identification reaction of sulfite. (2) An aque...
    Understanding details +
  • How sodium bisulfite manufacturers store sodium metabisulfite products

    2020-05-13
    In addition to being used as a food preservative and bleaching agent, sodium metabisulfite is widely used in other industries, such as dehydr...
    Understanding details +
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  • 雷火APP厂家







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    Huizhongchem

    Mr. Steven Sun

    Business manager


    Telephone: +86-22-66371437

      Cellphone:  +86-15822712322 

      Email:steven@huizhongchem.com

                   sun@huizhongchem.com


    Factory add.:Nanpu Economic and Technological                                              Development Zone,Tangshan

      Office add.:A1-406,TEDA New Skline Mansion,No 12 Nanhai                         Road,TEDA Tianjin


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