The principle consists in preparation of an aqueous extract from a test portion of the leather, and measurement of the pH of the extract, using a pH meter. The definition of a difference figure of an aqueous leather extract is given. Reagents, apparatus, procedure and the test report are specified.
Дата регистрации:
01.10.77
Дата введения:
01.09.77
Код КГС:
М19
Код ОКСТУ:
8709;8609
Код ОКС(МКС):
59.140.30
Код ОКП:
8709;8609
Нормативные ссылки:
NEN-ISO 4045-1977, EQV*NF G52-214-1976, NEQ*OENORM S 7012-1982, EQV*UNE 59-019-82 1R-1982, EQV*UNI ISO 4045-1983, EQV*ELOT 1041(1988/ELOT), EQV*NP-3310(1989/IPQ), EQV*EN ISO 4045-1998, EQV*DIN EN ISO 4045-1998, EQV
Ключевые слова:
CHEMICAL ANALYSIS AND TESTING CHEMICAL TESTS LEATHER MEASUREMENT PH CHEMICAL ANALYSIS AND TESTIN