Number
Name
Status
- GB/T 6609.30-2022 《Chemical analysis methods and determination of physical performance of alumina—Part 30: Determination of trace elements—Wavelength dispersive X-ray fluorescence spectrometric method》 Active Products
- GB/T 22627-2022 《Water treatment chemicals—Polyaluminium chloride》 Active Products
- GB/T 29341-2022 《Calcium aluminate for water treatment chemicals》 Active Products
- GB/T 12157-2007 《Water for industrial circulating cooling system and boiler -Determination of dissolved oxygen》 Abolish Products
- GB/T 20245.4-2013 《Expression of performance of electrochemical analyzers - Part 4: Dissolved oxygen in water measured by membrane covered amperometric sensors》 Active Products
- GB/T 12157-2022 《Determination of dissolved oxygen in water for industrial circulating cooling system and boiler》 Active Products
- GB/T 41326-2022 《Hexafluorobutadiene》 Active Products
- GB/T 41456-2022 《Nanotechnologies—Determination of the concentration of nanometer titanium dioxide airborne dust in workplace—Spectrophotometry method》 Active Products
- GB/T 7717.12-2022 《Acrylonitrile for industrial use—Part 12: Determination of purity and impurities—Gas chromatographic method》 Active Products
- GB/T 14571.4-2022 《Test method of ethylene glycol for industrial use—Part 4：Determination of ultraviolet transmittance—Ultraviolet spectrophotometric method》 Active Products
- GB/T 6702-2022 《Naphthalene sulphuric acid test》 Active Products
- GB/T 23853-2022 《Lithium carbonate made of brine》 Active Products
- GB/T 4209-2022 《Sodium silicate for industrial use》 Active Products
- GB/T 41757-2022 《Hexafluoropropylene oxide》 Active Products
- GB/T 6488-2022 《Liquid chemicals—Determination of refractive index》 Active Products
- GB/T 9104-2022 《Test methods for industrial stearic acids》 Active Products
- GB/T 15555.4-1995 《Solid waste--Determination of chromium(VI)--1，5-Diphenylcarbohydrazide spectrophotometric method》 Active Products
- GB/T 17593.3-2006 《Textiles―Determination of heavy metals―Part 3: Chromium(VI) ―Spectrophotometry》 Active Products
- GB/T 23943-2009 《Inorganic chemicals for industrial use - General method for the determination of chromium(Ⅵ) content - 1,5-diphenylcarbohydrazide spectrophotometric method》 Active Products
- GB/T 26125-2011 《Electrical and electronic products - Determination of six regulated substances (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers)》 Active Products
- GB/T 28019-2011 《Adornment - Determination of Chromium（Ⅵ）- 1, 5-Diphenylcarbohydrazide spectrophotometric method》 Active Products
- GB/T 29783-2013 《Determination of chromium(VI) in electrical and electronic products - Atomic fluorescence spectrometry》 Active Products
- GB/T 31931-2015 《Zinc or zinc alloy coating on steel sheets or strips—Determination of hexavalent chromium content—1,5-Diphenylcarbohydrazide (diphenylcarbazide) spectrophotometric method》 Active Products
- GB/T 32178-2015 《Refractory products and materials—Spectrometric determination of chromium (Ⅵ)in chrome refractories》 Active Products
- GB/T 33999-2017 《Limits and determination of lead, cadmium, mercury, arsenic and hexavalent chromium in glass fiber》 Active Products
- GB/T 36021-2018 《The assessment method of the heavy metal Sb,As,Ba,Se and Cr（Ⅵ）in furniture》 Active Products
- GB/T 38295-2019 《Limits for lead, cadmium, hexavalent chromium, mercury in plastic materials》 Active Products
- GB/T 38287-2019 《Determination of hexavalent chromium in plastic materials》 Active Products
- GB/T 38407-2019 《Leather and fur chemicals—Determination of chromium (VI) and the reductive potential for chromium tanning agents》 Active Products
- GB/T 38402-2019 《Leather and fur—Chemical tests—Determination of chromium(VI) content:Chromatographic method》 Active Products