| Primary standard substance |
| The first level standard substance has a certificate |
| Secondary standard substance |
| Secondary standard substances have certificates |
| Organic solution standard substance |
| Benzene, chlorobenzene, nitrobenzene, aniline, phenol, TVOC |
| Inorganic solution standard substance |
| Single element standard solution |
| Multi element mixed standard solution |
| Anion standard solution |
| Plasticizer curing agent standard solution |
| Food testing standard substances |
| Standard solution for component analysis of Baijiu |
| Nutrient Analysis Standard Reference Materials |
| Vitamin standard substances |
| Standard solution of pigment additives |
| Standard solution of solvent oil No. 6 |
| Other food testing standard substances |
| Instrument calibration standard substance |
| Gas chromatograph calibration standard substance |
| Standard substances for liquid chromatography calibration |
| ICP spectrometer calibration solution standard substance |
| Standard solution for GC testing (for FID detector) |
| Biochemical analyzer calibration solution standard substance |
| Standard solution for calibration of oscilloscope |
| Standard solution for sugar meter calibration |
| Activated carbon tube standard material |
| Standard substance in activated carbon nanotubes |
| Standard substance in filter membrane |
| Animal and agricultural residue testing standards |
| Organic chlorine pesticide residue detection standard sample |
| organophosphorus |
| Detection of veterinary drug residues |
| Standard sample for spectral analysis of non-ferrous metals |
| Stainless steel spectral analysis standard substance |
| Aluminum alloy spectral analysis standard substance |
| Capacity analysis standard solution |
| Titration solution standard substance |
| Organic monitoring standard sample standard sample |
| Halogenated hydrocarbons, bromomethane |
| Volatile organic compound mixture |
| Standard samples for air monitoring |
| Sulfur dioxide, nitrogen oxides, ammonia |
| Standard solution and sample for water quality and environmental analysis |
| Standard solution for water quality analysis |
| Environmental testing blind sample assessment sample quality control sample |
| Standard samples for water quality analysis |
| Purity standard substance reference material |
| Primary purity standard substance |
| Secondary purity standard substance |
| Melting point standard substance |
| Primary melting point standard substance |
| Secondary melting point standard substance |
| Flash point standard substance |
| Open flash point standard substance |
| Closed flash point standard substance |
| Viscosity oil viscosity liquid standard substance |
| First grade standard viscosity liquid |
| Secondary standard viscosity liquid |
| Standard substances for petroleum energy |
| Standard substance for determination of sulfur content in petroleum |
| Standard substance for determination of chlorine content in petroleum |
| Standard substance for determination of nitrogen content in petroleum |
| Standard substance for determination of petroleum salt content |
| Standard substance for determination of arsenic content in petroleum |
| Standard substance for determination of bromine content in petroleum |
| Petroleum Bromine Price Index Standard Reference Material |
| Standard Coal Sample Anthracite Coke Standard Sample |
| Coal Science Institute standard substance |
| Standard substance for thermal coal |
| Standard material for physical properties of bituminous coal and anthracite |
| Coal standard sample |
| Benzoic acid standard substance |
| Physical characteristic standard substance |
| PH standard substance |
| Turbidity, chromaticity |
| Molecular weight standard substance standard |
| Conductivity standard substance |
| Melt flow rate standard substance |
| Particle Standard Material Particle Standard |
| Thermal analysis standard substance |
| Filter standard material |
| Enzyme linked immunosorbent assay analyzer standard substance |
| Standard Reference Materials for Mineral Composition Analysis |
| Gold ore standard material standard sample |
| Silver ore standard substance |
| Copper ore standard substance |
| Standard Reference Materials for Iron Ore |
| Zinc ore standard substance |
| Lead ore standard substance |
| Antimony ore standard substance |
| Manganese ore standard substance |
| Nickel ore standard substance |
| Molybdenum ore standard substance |
| Chromite ore |
| Other mineral reference materials |
| Building Material Standard Material Standard Sample |
| Cement standard substance |
| Clay standard material |
| Gypsum standard substance |
| Graphite reference material |
| Fluorite standard substance |
| Kaolin reference material |
| Bauxite standard substance |
| Other building materials standard substances |
| Standard materials for rock composition analysis |
| Limestone standard material |
| Standard material for siliceous sandstone |
| Limestone dolomite standard substance |
| Carbonate rock standard material |
| Agricultural and Environmental Testing Standard Materials |
| BTEX (Benzene, Toluene, Ethylbenzene, Xylenes) |
| Sediment reference material |
| ROHS testing standard substance |
| Standard substance for seawater |
| Standard substances for biological composition analysis |
| Standard materials for soil composition analysis |
| High purity metal reference material standard sample |
| High purity iron standard material standard |
| High purity zinc, manganese, lead, etc |
| Steel standard substance |
| Stainless steel standard substance |
| Low alloy steel standard material |
| Ferroalloy standard material |
| Slag standard sample |
| Chemical reference standard of China Inspection Institute |
| Reference standard materials of the Central Inspection Institute |
| Control culture medium of the Central Inspection Institute |
| Comparison of medicinal materials by the Chinese Inspection Institute |
| Domestic self-made standard reference material |
| Imported standard products |
| German DR standard |
| O2Si standard |
| Sigma standard |
| Merck standard |
| Hollow cathode lamp element lamp |
| Hollow cathode lamp element lamp |
| Abbe refractometer standard detection device |
| chemical reagent |
| Chromatographic standard reagents |
| Analytical pure reagent |
| Superior grade pure reagent |
| Chromatographic pure reagent |
| reference reagent |
| Spectral pure reagent |
| General reagent |