KS M ISO 7108-2017(2022)
Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method
KS M ISO 7108-2017
Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method
BS 4651-2:1987
Ammonia solution-Method for determination of ammonia content
ASTM D2380-04(2019)
Standard Test Method for Methanol Content of Formaldehyde Solutions
ISO 7108:1985
Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method
KS M 1957-2002(2007)
Formaldehyde solutions for industrial use-Determination of methanol content
GB/T 8570.2-2010
Determination of liquefied anhydrous ammonia - Part 2: Estimating of ammonia content
ASTM D2380-04(2011)
Standard Test Method for Methanol Content of Formaldehyde Solutions
DB14/T 737-2013
ASTM D2380-04
Standard Test Method for Methanol Content of Formaldehyde Solutions
ASTM D2380-99
Standard Test Method for Methanol Content of Formaldehyde Solutions
NY/T 4384-2023
GB/T 34532-2017
Coking wastewater—Determination of ammonia nitrogen content—Formaldehyde method
GB/T 40970-2021
Determination of ammonia in cosmetics—Titration method
DB14/ 737-2013
GB/T 41964-2022
Photography—Processing waste—Determination of ammoniacal nitrogen (microdiffusion method)
ISO 6647-1:2020
Rice — Determination of amylose content — Part 1: Spectrophotometric method with a defatting procedure by methanol and with calibration solutions of potato amylose and waxy rice amylopectin
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