中文字幕日韩在线观看,久久久人人玩人妻精品综合,国产欧美日本在线,久久精品免费视频6,欧美精品黄色网站,色综合久久久久无码专区,亚洲区欧美中文字幕久久,国产手机在线视频,国产中文字幕视频在线观看,日本一区二区免费在线观看

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
一本加勒比hezyo无码人妻| 亚洲男人第一av网站| 亚洲12色吧| 国产亚洲精久久久久久无码| 日韩精品免费一级视频| 最新av偷拍av偷窥av网站| 亚洲午夜未满十八勿入网站2 | 在线播放国产精品三级网 | 疯狂做受xxxx高潮不断| 久久99精品久久久久久野外| 日日噜狠狠噜天天噜av| 精品国产第一国产综合精品| 亚韩无码一区二区在线视频| 自愉自愉自产国产91| 久久精品夜夜夜夜夜久久| 亚洲成a人片在线观看无码| 国产精品爽黄69天堂a| 久久久老熟女一区二区三区| 97夜夜澡人人爽人人喊中国片| 美女视频黄频大全免费| 性高湖久久久久久久久| 狂野欧美性猛xxxx乱大交| 亚洲人精品午夜射精日韩| 蜜桃视频无码区在线观看| 少妇特黄a一区二区三区| 久久www免费人成精品| 欧洲s码亚洲m码精品一区 | 成人午夜国产内射主播| 免费人成自慰网站| 色五月丁香五月综合五月4438 | 加勒比综合网| 精品久久久无码人妻中文字幕豆芽 | 亚洲精品成A人在线观看| 精品一区二区三区国产在线观看| 久久婷婷成人综合色| 中文字幕一区二区三区人妻少妇 | 久久精品九九亚洲精品| 全国最大成人网| 国产日韩精品欧美一区喷水| 日本一丰满一bbw| 亚洲国产精品尤物yw在线观看|