Farben von Goldlegierungen. Bestimmung,Farbenreihe und Bezeichnung Colours of Gold Alloys-Definition,Range of Colours and Designation (ISO 8654:1987) (H) Couleurs des alliages d'or. Definition,gamme de...
实施日期:1993-01-01
Jewellery; ring-sizes; definition, measurement and designation (ISO 8653:1986); german version EN 28653:1992
Precious metal - Solders used with precious metal jewellery alloys; German version prEN 1904:1995
实施日期:1997-04-15
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 ...
Jewellery -- Fineness of precious metal alloys
发布日期:1991-08-31 实施日期:1991-08-31
Jewellery -- Determination of platinum in platinum jewellery alloys -- Inductively coupled plasma (ICP) solution-spectrometric method using yttrium as internal standard element
发布日期:2008-08-01 实施日期:2008-08-01
Determination of palladium in palladium jewellery alloys -- Gravimetric determination with dimethylglyoxime
发布日期:1995-04-01 实施日期:1995-04-01
Determination of silver in silver jewellery alloys -- Volumetric (potentiometric) method using potassium bromide
发布日期:1993-05-01 实施日期:1993-05-01
Watch cases and accessories -- Tests of the resistance to wear, scratching and impacts
发布日期:2011-06-01 实施日期:2011-06-01
Determination of Silver in Silver Jewellery Alloys-Volumetric (Potentiometric) Method Using Potassium Bromide ISO 11427:1993;
实施日期:1994-01-01
Determination of gold in gold jewellery alloys - Cupellation method (fire assay) (ISO 11426:1997); German version EN ISO 11426:1998
Determination of platinum in platinum jewellery alloys -- Gravimetric method after precipitation of diammonium hexachloroplatinate
发布日期:1995-04-01 实施日期:1995-04-01
请选择需要导出的字段:
请选择需要导出的字段:
知识产权声明 | 服务承诺 | 联系我们 | 人才招聘 | 客户服务 | 关于我们
互联网出版许可证:新出网证(京)字042号 互联网药品信息服务资格证书号:(京)-经营性-2011-0017 信息网络传播视听节目许可证 许可证号:0108284
京ICP证:010071 京公网安备11010802020237号 京ICP备08100800号-1
客服电话:4000115888 客服邮箱:service@wanfangdata.com.cn 违法和不良信息举报电话:4000115888 举报邮箱:problem@wanfangdata.com.cn 举报专区:https://www.12377.cn
万方数据知识服务平台--国家科技支撑计划资助项目(编号:2006BAH03B01)©北京万方数据股份有限公司 万方数据电子出版社