GB/T 8570.2-2010
Determination of liquefied anhydrous ammonia - Part 2: Estimating of ammonia content
GB/T 41964-2022
Photography—Processing waste—Determination of ammoniacal nitrogen (microdiffusion method)
GB/T 41965-2022
Photography—Processing waste—Determination of total amino nitrogen (microdiffusion Kjeldahl method)
GB/T 8570.3-2010
Determination of liquefied anhydrous ammonia - Part 3: Residue content - Gravimetric method
GB/T 8570.4-2010
Determination of liquefied anhydrous ammonia - Part 4: Residue content - Titrimetric method
GB/T 20365-2006
Determination method for chondroitin sulfate and glucosamine hydrochloride - Liquid chromatography method
GB/T 8570.6-2010
Determination of liquefied anhydrous ammonia - Part 6: Oil content - Gravimetric and infra-red methods
GB/T 8570.7-2010
Determination of liquefied anhydrous ammonia - Part 7: Iron content - o-Phenathroline spectrophotometric method
GB/T 32461-2015
Determination of formaldehyde in amino resins and phenolic resins and of migration of formaldehyde in their moldings—High performance liquid chromatography
DB45/T 1455-2016
DB37/T 2094-2012
QB/T 5220-2018
Determination of dipotassium arginine in oral care products high performance-liquid chromatography
\u0413\u041e\u0421\u0422 28326.6-89
Technical liquid ammonia. Determination of total chlorine content by visual nephelometry method
FZ/T 72015-2012
Knitted fabric treated with liquid ammonia
GB/T 8570.2-1988
Liquefied anhydrous ammonia—Estimating of ammonia content
GB/T 36084-2018(\u82f1\u6587\u7248)
纳米技术 水溶液中铜、锰、铬离子含量的测定 紫外-可见分光光度法
HG/T 4686-2014
Treatment and disposal method for liquid ammonia leakage
DB11/T 1014-2021
DB34/T 1977-2013
DB37/T 1914-2024