Пластмассы. Фенолоальдегидные формовочные материалы. Определение содержания веществ растворимых в ацетоне
Название (англ.):
Plastics; Phenolic mouldings; Determination of acetone-soluble matter
Описание (англ.):
Specifies a gravimetric method for the determination of the relative degree of curing of phenolic mouldings. A powdered test portion shall be extracted with hot acetone in a Soxhlet apparatus. After evaporation of the solvent the extract shall be determined by weighing. It should be noted that in addition to incompletely cured matter other substances, such as plasticisers, lubricants and colorants may also be extracted.
Дата введения:
01.07.76
Дата отмены:
01.02.94
Код КГС:
Л08
Код ОКСТУ:
2407;2607;2407;2607
Код ОКС(МКС):
83.080.10
Код ОКП:
2407;2607;2407;2607
Нормативные ссылки:
BS 2782 PART 4 METHOD 451A-1978, EQV*NEN-ISO 59-1977, EQV*NF T51-004-1978, EQV*NBN T 40-104(1988/IBN), EQV
Ключевые слова:
ACETONE CASTINGS CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING DETERMINATION OF CONTENT MOULDINGS (SHAPED SECTION) PLASTICS CHEMICAL ANALYSIS AND TESTIN