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    Hotline:400-880-1556

    English




    basic introduction

    Water is the source of life, and also plays an important role in social and economic development. Water quality testing is an important means to ensure the safety of water quality. ZRLK has CNAS, CMA and qualifications in water quality testing, and has a sampling team to collect water samples strictly in accordance with sampling standards to ensure accurate testing data.

    Water quality testing category

    Drinking water

    Municipal water

    Pipe network water

    Drinking water

    Secondary water supply

      Self-provided well wate

    Pure water

      Natural mineral

    Groundwater

    Laboratory water

      Pure water

      Surface wate

    Seawater

      Landscape water

      Farmland irrigation water

    Fishery water

    Industrial water

      Boiler water

      Air conditioning wate

    Swimming pool water

    Ballast water

    Cooling water

      Reclaimed water

      Domestic sewage

    Industrial wastewater

    Public health testing

    Other water quality


    Water quality testing items

    Physical and chemical indicators

    Total hardness, total dissolved solids, total alkalinity (calculated as CaCO3), etc.;

    Inorganic anions

    Sulfate, cyanide, fluoride, chloride, boron, bromide, iodide, carbonate (CO32-), selenium, etc.;

    Nutrient and organic pollution indicators

    Ammonia nitrogen (NH3-N), permanganate index, chemical oxygen demand (CODCr), biochemical oxygen demand (BOD5), nitrate (calculated as N), nitrite (calculated as N), etc.;

    metal

    Arsenic, mercury, hexavalent chromium, lead, zinc, copper, cadmium, iron, manganese, cobalt, nickel, tellurium, molybdenum, beryllium, barium, potassium, sodium, calcium, magnesium, etc.;

    microorganism

    Total coliforms and total colonies;

    Organic Pollutants

    Volatile phenols, organophosphorus pesticides (OPP), organochlorine pesticides (BHC, DDT), polychlorinated biphenyls (PCBs) 28 kinds, volatile organic compounds (VOCs) 54 kinds, semi-volatile organic compounds (SVOCs).

    Our advantage

    1. With a professional qualification and experienced expert technical team, we can provide you with professional consultation and services.

    2. Have advanced laboratory equipment to ensure the accuracy and reliability of test data.

    3. As a third-party testing and certification organization trusted by customers worldwide, we are your certificate of quality.


    Online consultation

    Online consultation

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    • Enterprise CMA certification

      Enterprise CMA certification

      CMA, the name is \"China Metrology Accreditation\", the abbreviation of \"China Metrology Accreditation\" in English. According to the provisions of Article 22 of the Metrology Law of the People’s Republic of China: “The product quality inspection agency that provides notarized data to the society must be evaluated by the metrological administrative department of the people’s government at or above the provincial level for the capability and reliability of metrological verification and testing. Qualified.\"

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    Water quality testing

    Water is the source of life, and also plays an important role in social and economic development. Water quality testing is an important means to ensure the safety of water quality.

    Get a quote
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