GB/T 6730.34-2017(\u82f1\u6587\u7248)
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
SN/T 4558-2016
Determination of cyhexatin (azocyclotin) and fenbutatin oxide in foods for export
GB/T 8570.2-2010
Determination of liquefied anhydrous ammonia - Part 2: Estimating of ammonia content
GB/T 34532-2017
Coking wastewater—Determination of ammonia nitrogen content—Formaldehyde method
GB/T 36940-2018
Textiles―Determination of certain benzotriazole compounds
GB/T 22972-2008
Determination of thiabendazole, albendazole, fenbendazole, oxfendazole and febantel residues in milk and milk powder - HPLC-MS-MS method
GB/T 40970-2021
Determination of ammonia in cosmetics—Titration method
GB/T 41964-2022
Photography—Processing waste—Determination of ammoniacal nitrogen (microdiffusion method)
DB33/T 610-2017
GB/T 5009.115-2003
Determination of tricyclazole residues in rice
GB/T 21037-2024
Determination of diaveridine, trimethoprim and ormetoprim in feeds
GB/T 3600-2000
Fertilizers--Determination of ammoniacal nitrogen content--Formaldehyde method
GB/T 41965-2022
Photography—Processing waste—Determination of total amino nitrogen (microdiffusion Kjeldahl method)
GB/T 38265.9-2022
Test methods for soft soldering fluxes—Part 9: Determination of ammonia content
GB/T 5009.126-2003
Determination of triadimefon residues in vegetable foods
GB/T 14422-2008
Analysis of water used in boiler and cooling system - Determination of benzotriazole
HG/T 3519-2023
GB/T 35830-2018
Cleaning products—Determination of triclosan
GB/T 3595-2000
Fertilizers--Determination of ammoniacal nitrogen content--Titrimetric method after distillation
GB/T 34856-2017
Cleaning products—Determination of triclocarban