Jewellery - Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:2014); German and English Version prEN ISO 11427:2016— 12 стр.
Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:1993, includes Corr. 1:1994) (includes EN 31427:1994/AC:1994); German version EN 31427:1994— 4 стр.
Jewellery - Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:2014); German and English Version prEN ISO 11427:2016— 12 стр.
Jewellery - Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:2014); German and English Version prEN ISO 11427:2016— 12 стр.
Jewellery - Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:2014); German version EN ISO 11427:2016— 12 стр.