Summary of relevant standards for water quality testing Figure 1
The following are some common standards related to water quality testing, including international standards and domestic standards:
International standards
ISO 5667: Water quality - Sampling
ISO 10523: Water quality - Determination of pH
ISO 6060: Water quality - Determination of the chemical oxygen demand index
ISO 7888: Water quality - Determination of electrical conductivity
ISO 7027: Water quality - Determination of turbidity
ISO 6468: Water quality - Determination of mercury
ISO 15995: Water quality - Determination of selected phthalates using gas chromatography-mass spectrometry
ISO 10523: Water quality - Determination of pH
ISO 7887: Water quality - Examination and determination of color
ISO 7889: Water quality - Examination and determination of turbidity
ISO 8466-1: Water quality - Calibration and evaluation of analytical methods and estimation of performance characteristics - Part 1: Statistical evaluation of the linear calibration function
ISO 5815-1: Water quality - Determination of biochemical oxygen demand (BOD) - Part 1: Dilution and seeding method with allylthiourea addition
ISO 15587-1: Water quality - Determination of selected polycyclic aromatic hydrocarbons (PAH) - Part 1: Method using high-performance liquid chromatography with fluorescence detection after liquid-liquid extraction
domestic standard
GB/T 5750: Standard test method for drinking water
GB/T 6682: Specifications and test methods for analytical laboratory water
GB-T 7476: Water quality, determination of calcium EDTA titration
GB/T 17219: Safety of drinking water transmission and distribution equipment and protective materials
GB/T 7468: Water quality, determination of total mercury, cold atomic absorption spectrophotometry
GB/T 7473: Water quality, determination of copper 2,9-dimethyl-1,10-phenanthroline spectrophotometry
GB/T 7476: Water quality, determination of calcium EDTA titration method
GB/T 7491: Water quality, determination of volatile phenols, post-distillation bromide volumetric method
GB/T5084: Water Quality Standard for Farmland Irrigation
GBT6682: National Standard for Water for Analytical Laboratories
CJ/T 51: Standard for testing methods for urban sewage quality
GB/T 6920: Determination of pH in water quality, glass electrode method
HJ/T 84: Water quality, determination of inorganic anions, ion chromatography
GB/T 11893: Water quality, determination of total phosphorus, ammonium molybdate spectrophotometry
HJ 503: Water quality - Determination of volatile phenols - 4-Aminoantipyrine spectrophotometry
GB/T 16489: Water quality, determination of sulfides, methylene blue spectrophotometry
GB/T 11911: Water quality, determination of iron and manganese, flame atomic absorption spectrophotometry
GB/T 11912: Water quality, determination of nickel, flame atomic absorption spectrophotometry
GB 17323: Bottled drinking water, determination of electrical conductivity, electrode method
GB/T 11903: Determination of water quality, chromaticity
GB/T7489: Water quality, determination of dissolved oxygen, iodimetry
GB/T 11904: Water quality, determination of potassium and sodium, flame atomic absorption spectrophotometry
GB/T 11892: Water quality, determination of permanganate index
HJ 648: Water quality, determination of nitrobenzene compounds
These standards cover more indicators and methods in water quality testing, such as pH, conductivity, color, suspended solids and total hardness. Please note that the selection and applicability of standards should be evaluated according to specific water quality testing needs and requirements.
