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
T/FDSA 004-2019
GB/T 33317-2016
Plastics—Phenolic resins—Determination of hexamethylenetetramine content—Kjeldahl method,perchloric acid method and hydrochloric acid method
T/QGCML 2622-2023
HG/T 2755-1996
\u0413\u041e\u0421\u0422 \u0420 50486-2015
Plastics. Phenolic resins. Determination of hexamethylenetetramine content
YS/T 1317-2019
Method for chemical analysis of karstedt catalyst solution-Determination of platinum content-Hydrazine hydrate reduction method
T/QGCML 2307-2023
20231371-T-606
Plastics — Phenolic resins — Determination of hexamethylenetetramine content\r Kjeldahl method,perchloric acid method and hydrochloric acid method
HB 5422.4-1989
KS M ISO 8988-2010(2020)
Plastics-Phenolic resins-Determination of hexamethylenetetramine content-Kjeldahl method, perchloric acid method and hydrochloric acid method
BS EN ISO 8988:2006
Plastics. Phenolic resins. Determination of hexamethylene-tetramine content. Kjeldahl method, perchloric acid method and hydrochloric acid method
UNE-EN ISO 8988:2007
Plastics - Phenolic resins - Determination of hexamethylenetetramine content - Kjeldahl method, perchloric acid method and hydrochloric acid method (ISO 8988:2006)
ISO 8988:2006
Plastics — Phenolic resins — Determination of hexamethylenetetramine content — Kjeldahl method, perchloric acid method and hydrochloric acid method
EN ISO 8988:2006
\u0413\u041e\u0421\u0422 \u0420 50486-93
Plastics. Phenolic resins. Determination of hexamethylentetramine content
DIN 54600-1
Testing of paper and board; testing on antimicrobial additives; determination of tetramethylthiuramdisulfid content (TMTD)
ISO 8988:1989
Plastics — Phenolic resins — Determination of hexamethylenetetramine content
DIN EN ISO 8988
Plastics - Phenolic resins - Determination of hexamethylenetetramine content - Kjeldahl method, perchloric acid method and hydrochloric acid method (ISO 8988:2006)
ISO 8988:1995
Plastics — Phenolic resins — Determination of hexamethylenetetramine content — Kjeldahl method and perchloric acid method