Пластмассы. Определение содержания золы. Часть 4. Полиамиды
Название (англ.):
Plastics; Determination of ash; Part 4 : Polyamides
Описание (англ.):
Specifies three methods for the determination of the ash of different polyamide materials: Unfilled materials: Calcination with sulfuric acid treatment before burning (method C of ISO 3451/1) Filled and glass-fibre reinforced materials: Burning of the organic matter and treating the residue at high temperature until constant mass is reached (method A of ISO 3451/1) Flame retardantmaterials reinforced with glass fibre: A modification of method A which includes an additional treatment with concentrated hydrochloric acid to remove any antimony trioxide present.
Заменён стандартами:
ISO 3451-4(1998.12)
Дата регистрации:
09.01.87
Дата введения:
01.08.86
Дата отмены:
15.12.98
Код КГС:
Л29
Код ОКСТУ:
2209;2224
Код ОКП:
2209;2224
Нормативные ссылки:
DIN ISO 3451-4-1991, EQV*NF ISO 3451-4-1987, EQV*NEN-ISO 3451-4(1989/NNI), EQV*NF T51-031(1987/AFNOR), EQV*BS 2782 PART 4 METHOD 470D(1991/BSI), EQV*prEN 23451-4-1994, EQV*EN ISO 3451-4-1995, EQV*NF EN ISO 3451-4(1995/AFNOR), EQV*BS EN ISO 3451-4(1991/BSI), EQV
Ключевые слова:
ANALYSIS ASH DETERMINATION ASHES CHEMICAL ANALYSIS AND TESTING COMBUSTION COMBUSTION ANALYSIS PLASTICS POLYAMIDE POLYAMIDES TESTING TESTS ANALYSIS CHEMICAL ANALYSIS AND TESTIN