Number
Name
Status
- GB/T 603-2023 《Chemical reagent—Preparations of reagent solutions for use in test methods》 Active Products
- GB/T 20899.15-2023 《Methods for chemical analysis of gold ores—Part 15: Determination of copper， lead， zinc， silver， iron， manganese， nickel， cobalt， aluminum， chromium， cadmium， antimony， bismuth， arsenic， mercury， selenium， barium and beryllium contents—Inductively coupled plasma mass spectrometry method》 Active Products
- GB/T 6730.85-2023 《Iron ores—Preparation and certification of certified reference materials for use in chemical analysis》 Active Products
- GB/T 24582-2023 《Test method for measuring surface metal impurity content of polycrystalline silicon—Acid extraction-inductively coupled plasma mass spectrometry method》 Active Products
- GB/T 6616-2023 《Test method for resistivity of semiconductor wafers and sheet resistance of semiconductor films—Noncontact eddy-current gauge》 Active Products
- GB/T 42676-2023 《Test method for crystalline quality of semiconductive single crystal—X-ray diffraction method》 Active Products
- GB/T 42789-2023 《Test method for gloss of silicon wafer》 Active Products
- GB/T 8151.26-2023 《Methods for chemical analysis of zinc concentrates—Part 26:Determination of silver content—Acid dissolution and flame atomic absorption spectrometric method》 Active Products
- GB/T 11064.16-2023 《Methods for chemical analysis of lithium carbonate, lithium hydroxide monohydrate and lithium chloride—Part 16: Determination of calcium, magnesium, copper, lead, zinc, nickel, manenases, cadmium, aluminum, iron and sulfate contents—Inductively coupled plasma atomic emission spectrometry》 Active Products
- GB/T 11064.9-2023 《Methods for chemical analysis of lithium carbonate, lithium hydroxide monohydrate and lithium chloride—Part 9: Determination of sulfate content—Barium sulfate turbidity method》 Active Products
- GB/T 6150.15-2023 《Methods for chemical analysis of tungsten concentrates—Part 15：Determination of bismuth content—Hydride generation atomic fluorescence spectrometry and flame atomic absorption spectrometry》 Active Products
- GB/T 6150.12-2023 《Methods for chemical analysis of tungsten concentrates—Part 12： Determination of silicon dioxide content—Silicomolybdenum blue spectrophotometry and gravimetry》 Active Products
- GB/T 6150.10-2023 《Methods for chemical analysis of tungsten concentrates—Part 10：Determination of lead content—Hydride generation atomic fluorescence spectrometry and flame atomic absorption spectrometry》 Active Products
- GB/T 6150.8-2023 《Methods for chemical analysis of tungsten concentrates—Part 8: Determination of molybdenum content—Thiocyante spectrophotometry method》 Active Products
- GB/T 6150.6-2023 《Methods for chemical analysis of tungsten concentrates—Part 6：Determination of moisture content—Gravimetric method》 Active Products
- GB/T 6150.4-2023 《Methods for chemical analysis of tungsten concentrates—Part 4：Determination of sulfur content—High frequency-infrared absorption method and combustion-iodometric method》 Active Products
- GB/T 30652-2023 《Trichlorosilane for silicon epitaxial》 Active Products
- GB/T 42653-2023 《Test method for melt viscosity of glass》 Products
- GB/T 33061.7-2023 《Plastics—Determination of dynamic mechanical properties—Part 7:Non-resonance method under torsional vibration》 Active Products
- GB/T 33061.6-2023 《Plastics—Determination of dynamic mechanical properties—Part 6:Non-resonance method under shear vibration》 Active Products
- GB/T 33061.5-2023 《Plastics—Determination of dynamic mechanical properties—Part 5: Non-resonance method under flexural vibration》 Active Products
- GB/T 10671-2023 《Test method for specific optical density of smoke generated by solid materials》 Active Products
- GB/T 6730.86-2023 《Iron ores—Determination of radionuclides—Inductively coupled plasma-mass spectrometric method》 Active Products
- GB/T 42670-2023 《Test method for Rockwell hardness of carbon materials》 Active Products
- GB/T 17601-2023 《Refractory products—Determination of resistance to acid》 Active Products
- GB/T 42658.4-2023 《Surface chemical analysis—Guidelines to sample handling, preparation and mounting—Part 4:Reporting information related to the history, preparation, handling and mounting of nano-objects prior to surface analysis》 Active Products
- GB/T 7232-2023 《Metal heat treatment—Terminology》 Active Products
- GB/T 6730.84-2023 《Iron ores—Determination of total rare earth content—Inductively coupled plasma atomic emission spectrometric method》 Active Products
- GB/T 13882-2023 《Determination of iodine in feeds》 Active Products
- GB/T 13883-2023 《Determination of selenium in feeds》 Active Products