ENSAYOS QUIMICOS DEL CUERO. DETERMINACION DE LAS MATERIAS ORGANICAS E INORGANICAS LAVABLES (PERDIDA POR LAVADO)

WITHDRAWN published on 1.6.1966

LEATHER. DETERMINATION OF WASHABLE ORGANIC AND INORGANIC MATERIALS (WASHING LOSS)

WITHDRAWN published on 15.1.1986

LEATHER. DETERMINATION OF WASHABLE ORGANIC AND INORGANIC MATERIALS (WASHING LOSS).

WITHDRAWN published on 22.11.1994

LEATHER. DETERMINATION OF SULPHATED TOTAL ASH AND SULPHATED WATER-INSOLUBLE ASH

WITHDRAWN published on 15.3.1983

ENSAYOS QUIMICOS DEL CUERO. DETERMINACION DEL CONTENIDO EN CROMO

WITHDRAWN published on 1.6.1966

LEATHER. DETERMINATION OF CHROMIUM CONTENT

WITHDRAWN published on 15.1.1986

LEATHER. DETERMINATION OF WATER-SOLUBLE MAGNESIUM SALTS (EPSOM SALT). EDTA TITRIMETRIC METHOD

WITHDRAWN published on 15.3.1983

ENSAYOS QUIMICOS DEL CUERO. DETERMINACION DEL NITROGENO Y DE LA SUBSTANCIA PIEL

WITHDRAWN published on 1.6.1966

LEATHER. DETERMINATION OF PH

WITHDRAWN published on 15.4.1982

CUERO. SUELA EN RAMA, TROQUELADA Y APLICADA AL CALZADO. NORMA DE CALIDAD

WITHDRAWN published on 1.6.1966