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    Water testing

    Variant (SKU)

    Please contact us for price quotation

    Delivery time: 1 ~ 2 weeks

    Inquiry

    Water testing refers to the analysis of water quality parameters in various types of water—drinking water, surface water, groundwater, wastewater, industrial effluent, and more. These tests evaluate the presence of chemical, physical, and biological contaminants, ensuring compliance with health, environmental, and industrial standards.

    Introduction

    Introduction

    Introduction

    Water testing refers to the analysis of water quality parameters in various types of water—drinking water, surface water, groundwater, wastewater, industrial effluent, and more. These tests evaluate the presence of chemical, physical, and biological contaminants, ensuring compliance with health, environmental, and industrial standards. Water testing plays a crucial role in public health protection, environmental monitoring, process control in industries, and regulatory reporting. It helps detect both routine indicators (e.g., pH, turbidity) and trace contaminants (e.g., heavy metals, PFAS, VOCs, bacteria).

    Typical turnaround is 3–7 business days. Rush services available upon request.

    Yes. Our testing reports follow ISO/EPA norms and can be used for permit and audit submissions.

    Yes, on-site sampling can be arranged depending on location and project scope.

    COD measures chemically oxidizable organic matter; TOC measures total organic carbon. They reflect different aspects of organic pollution.

    Yes, we offer high-sensitivity LC-MS/MS analysis for ultra-trace organics (ppt level).

    Principle

    Principle

    Typical Water Types and Applications

    Water TypeCommon Applications
    Drinking waterCompliance with health standards, consumer safety
    Surface water (lakes, rivers)Environmental monitoring, ecological risk assessment
    GroundwaterContamination tracking, agricultural suitability
    Industrial wastewaterEffluent treatment verification, discharge permit compliance
    Cooling/process waterCorrosion control, scale/deposit monitoring
    SeawaterDesalination pre-screening, marine monitoring
    Principle

    Principle

    1 Drinking Water

    • pH: 7.2
    • TDS: 230 mg/L
    • Lead (Pb): < 1.0 µg/L
    • Nitrate: 12.5 mg/L
    • Total Coliforms: Not Detected

    2 Industrial Water

    • COD: 430 mg/L
    • Ammonia-N: 22.3 mg/L
    • Hexavalent Chromium (Cr⁶⁺): 0.08 mg/L
    • Oil and grease: 15.4 mg/L
    Principle

    Principle

    1. Key Parameters Tested

    1.1 Basic Indicators

    • pH
    • Conductivity / TDS (Total Dissolved Solids)
    • Turbidity
    • Color and Odor
    • Temperature

    1.2 Chemical Contaminants

    • Anions: Nitrate, Nitrite, Chloride, Sulfate, Fluoride
    • Cations: Calcium, Magnesium, Sodium, Potassium
    • Heavy metals: Lead (Pb), Cadmium (Cd), Mercury (Hg), Arsenic (As), Chromium (Cr)
    • Nutrients: Total nitrogen (TN), Total phosphorus (TP), Ammonia (NH₃-N)
    • Organic pollutants: VOCs, PFAS, pesticides, phenols

    1.3 Microbiological Indicators

    • Total coliforms
    • E. coli
    • Heterotrophic plate count (HPC)
    • Legionella spp.
    • Enterococcus spp.

    2. Key Parameters Tested

    2.1 Basic Indicators

    • pH
    • Conductivity / TDS (Total Dissolved Solids)
    • Turbidity
    • Color and Odor
    • Temperature

    2.2 Chemical Contaminants

    • Anions: Nitrate, Nitrite, Chloride, Sulfate, Fluoride
    • Cations: Calcium, Magnesium, Sodium, Potassium
    • Heavy metals: Lead (Pb), Cadmium (Cd), Mercury (Hg), Arsenic (As), Chromium (Cr)
  • Nutrients: Total nitrogen (TN), Total phosphorus (TP), Ammonia (NH₃-N)
  • Organic pollutants: VOCs, PFAS, pesticides, phenols
  • 2.3 Microbiological Indicators

    • Total coliforms
    • E. coli
    • Heterotrophic plate count (HPC)
    • Legionella spp.
    • Enterococcus spp.

    3. Test Methods and Standards

    Parameter TypeMain Methods UsedStandards Followed
    General ChemistrySpectrophotometry, titration, electrodesISO 10523, ISO 9963, EPA 150.1
    Metals (e.g., Pb, Hg)ICP-OES, ICP-MS, AASEPA 200.8, ISO 11885
    Organics (VOCs, PFAS)GC-MS, LC-MS/MSEPA 524.2, 537.1, ISO 25101
    MicrobiologyMembrane filtration, MPN, culture-based methodsISO 9308-1, EPA 1603, ISO 7899-2

    4. Pros and Cons of Water Testing Methods

    MethodSensitivityTarget AnalytesTime RequiredCost
    Spectrophotometryppm–ppbNutrients, anions, colorShortLow–Med
    ICP-OES / ICP-MSppb–pptMetalsMediumMedium
    GC-MS / LC-MS/MSpptVOCs, PFAS, organicsMedium–LongHigh
    Culture-based methodsCFU/mLBacteria, coliforms24–72 hoursMedium

    5. Testing Packages

    We offer flexible water quality testing packages tailored to different needs, from basic safety checks to extended compliance with regulatory standards.

    Package A — Basic Safety Panel

    • Number of Tests: 22
    • Included Parameters:
      Color, Turbidity, Odor and Taste, Visible Substances, pH, Copper, Zinc, Lead, Mercury, Selenium, Chloroform, COD (Potassium Dichromate), Total Hardness, Cadmium, Fluoride, Chloride, Nitrate, Total Bacteria Count, Chromium, Arsenic, E. coli
    • Recommended for: Routine safety monitoring of tap or bottled water

    Package B — Microbial + Inorganics Compliance Panel

    • Number of Tests: 22
    • Included Parameters:
      Total Coliforms, E. coli, Total Bacteria Count, Arsenic, Cadmium, Chromium (Hexavalent), Lead, Mercury, Selenium, Cyanide, Fluoride, Nitrate (as N), Bromate, Chlorite, Chlorate, Color, Turbidity, Odor and Taste, Visible Substances, pH, Total Hardness, Potassium Permanganate Index (as Oxygen)
    • Recommended for: Regulatory testing and microbial risk assessment

    Package C — Extended Chemical Safety Panel

    • Number of Tests: 37
    • Included Parameters:
      All 22 tests from Package B, plus:
      Trichloromethane, Dichlorobromomethane, Chlorodibromomethane, Tribromomethane, Total Trihalomethanes (THMs), Dichloroacetic Acid, Trichloroacetic Acid, Aluminum, Iron, Manganese, Dissolved Solids, Sulfate, Ammonia (as N)
    • Recommended for: Public water systems, bottled water producers, and industrial users

    Package D — Comprehensive Risk Panel (incl. Radioactivity)

    • Number of Tests: 39
    • Included Parameters:
      All 37 tests from Package C, plus:
      Total α-Radioactivity, Total β-Radioactivity
    • Recommended for: Comprehensive compliance testing in sensitive areas (e.g. near industrial, mining, or nuclear facilities)