T/CPCIF 0225-2022
ISO 1391-5:1981
Paraformaldehyde for industrial use — Methods of test — Determination of aldehyde content — Titrimetric method
GB/T 685-2013
Chemical reagent—Formaldehyde solution
GB/T 5543-2006
Resin finishing agent―Determination total formaldehyde content、free formaldehyde content and methylol formadehyde contend
ISO 1391-3:1976
Paraformaldehyde for industrial use — Methods of test — Part 3: Determination of iron content — 2,2'- Bipyridyl photometric method
ISO 1391-1:1976
Paraformaldehyde for industrial use — Methods of test — Part 1: General
GB/T 19941.3-2019
Leather and fur—Determination of formaldehyde content—Part 3: Formaldehyde emissions
ISO 1391-2:1976
Paraformaldehyde for industrial use — Methods of test — Part 2: Determination of ash
GB/T 34532-2017
Coking wastewater—Determination of ammonia nitrogen content—Formaldehyde method
GB/T 32684-2016
Plastic—Phenolic resins—Determination of free formaldehyde content
GB/T 43085-2023
Plastics—Polymer dispersions—Determination of the content of free formaldehyde
ISO 1391-4:1976
Paraformaldehyde for industrial use — Methods of test — Part 4: Determination of water-insoluble matter
GB/T 39689-2020
Surface active agents—Determination of free formaldehyde
GB/T 34448-2017
Tissue paper and disposable products—Determination of formaldehyde
GB/T 32118-2015
Determination of formaldehyde in toothpaste—High performance liquid chromatography
YB/T 6261-2024
GB/T 34683-2017
Determination of formaldehyde content in water-borne coatings—High performance liquid chromatographic method
NY/T 1283-2007
Determination of Formaldehyde Content in Lentinula edodes
QX/T 216-2013
GB/T 34822-2017
Determination of formaldehyde in cosmetics—High-performance liquid chromatography