GB/T 37640-2019
Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—High performance liquid chromatography
GB/T 37640-2019
贵金属合金化学分析方法 钯、银合金中钯量的测定 二甲基乙二醛肟重量法
GB/T 37640-2019
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
GB/T 37640-2019
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
GB/T 37640-2019
Hydroxyacetonitrile for industrial use Determination of hydroxyacetonitrile,formaldehyde and hydrocyanic acid
GB/T 37640-2019
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
GB/T 37640-2019
GB/T 37640-2019
COSMETIC RAW MATERIALS. DIMETHYLDIMETHYLOL HYDANTOINE. DETERMINATION OF TOTAL FORMALDELYDE. POTENCIOMETRIC METHOD.
GB/T 37640-2019
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
GB/T 37640-2019
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
GB/T 37640-2019
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
GB/T 37640-2019
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
GB/T 37640-2019
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
GB/T 37640-2019
GB/T 37640-2019
Resin finishing agent―Determination total formaldehyde content、free formaldehyde content and methylol formadehyde contend
GB/T 37640-2019
GB/T 37640-2019
Leather and fur—Determination of formaldehyde content—Part 3: Formaldehyde emissions
GB/T 37640-2019
Formaldehyde solution for industrial use
GB/T 37640-2019
COSMETIC RAW MATERIALS. TEST OF CONTENT OF STERS OF P-HYDROXYBENZOATES. BROMINATION METHOD.
GB/T 37640-2019
Chemical reagent—Formaldehyde solution