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
CGA G-2.2
Guideline Method for Determining the Minimum of 0.2% Water in Anhydrous Ammonia
T/CCAS 008-2019
DB37/T 2094-2012
GB/T 12492-1990
Determination of cystine content of wool hydrolysates by colorimetry
HG/T 5375\uff5e5377-2018
GB/T 12491-1990
Determination of cysteic acid content of wool hydrolysates by paper electrophoresis and colorimetry
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 40970-2021
Determination of ammonia in cosmetics—Titration method
CGA G-2.2(R1997)
Guideline Method for Determining the Minimum of 0.2% Water in Anhydrous Ammonia
GB/T 41964-2022
Photography—Processing waste—Determination of ammoniacal nitrogen (microdiffusion method)
GB/T 42333-2023
Soil and stream sediment—Determination of iodine content—Pressurized ammonia extraction inductively coupled plasma mass spectrometry
GB/T 3600-2000
Fertilizers--Determination of ammoniacal nitrogen content--Formaldehyde method
DB32/T 1089-2007
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 12152-2007
Water for boiler and cooling system-Determination of mineral oil
GB/T 38596-2020
Determination method of heavy metal contents in the wastewater during catalyst production
KS K ISO 2915-2018
Wool-Determination of cysteic acid content of wool hydrolysates by paper electrophoresis and colorimetry