日韩欧洲精品无码AV,99国产午夜精品一区二区天美,精品久久免费一区二区三区四区,久久综合图区亚洲综合图区,久久久久亚洲AV免费观看,精子网久久国产精品,亚洲AⅤ无码一区二区二三区性色,亚洲精品国产电影,亚洲资源在线观看,婷婷五月丁香在线

  • 
    
  • <ul id="yy6ca"></ul>
  • <del id="yy6ca"></del>
    <ul id="yy6ca"></ul>
    <strike id="yy6ca"><menu id="yy6ca"></menu></strike>
    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

    Recommend
    • BSCI certification

      BSCI certification

      BSCI certification is an abbreviation of BusinessSocialComplianceInitiative, and Chinese is called business social standard certification. BSCI is an organization that advocates the business community to abide by social responsibility. At the same time, it is a non-profit organization.

    • 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.\"

    • CNAS certification

      CNAS certification

      Laboratory accreditation is a third-party certification that CNAS has the ability to perform specific testing and calibration work for testing and calibration laboratories.

    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
    男男性行为免费视频播放| chinese乱子伦xxxx国语对白| 久久精品H| 自拍偷在线精品自拍偷无码专区| 国产精品丝袜高跟鞋| a在线观看免费网站大全| 成年丰满熟妇午夜免费视频| 国产成人黄色视频| 欧美二区在线观看| 色丁狠狠桃花久久综合网| 又大又粗又爽的少妇免费视频| 日韩精品无码一区二区三区不卡| 色综合A怡红院怡红院| 午夜福利影院私人爽| 精品国产乱码久久久人妻| 亚欧中文字幕久久精品无码| 亚洲日韩AV无码不卡一区二区三区| 影音先锋AV资源男人站| 亚洲乱码国产乱码精品精| 蜜臀久久99精品久久久久久| 人妻少妇被猛烈进入中文字幕| 麻豆精产国品| 成人日韩熟女高清视频一区 | 中文字幕无码免费久久| 欧美人与动xxxxz0oz| 吃奶呻吟打开双腿做受视频| 欧美熟妇性xxx交潮喷| 人人人妻人人人妻人人人| 欲妇荡岳丰满少妇岳| 亚洲色婷婷综合开心网| 婷婷丁香六月激情综合在线人| 免费无码又爽有刺激高潮的视频| 人人妻人人玩人人澡人人爽 | 久久久午夜精品| 亚洲久本草在线中文字幕| 欧美亚洲日本久久久久久| 国产色秀视频在线播放| 亚洲日韩精品无码AV成人网站| 伊人色综合久久天天| 亚洲天天做日日做天天欢毛片| 中文字幕AV无码专区第一页|