39.060 珠宝 标准查询与下载
共找到 817 条与 珠宝 相关的标准，共 55 页
This document specifies a method of sampling precious metals and precious metal alloys for the determination of their precious metal content and for the assessment of their homogeneity. The document is applicable to raw materials, semi-finished products and finished products and is intended to be used only for the sampling of entirely metallic materials. NOTE 1 Standards for determination of precious metals contents for different metals are listed in the Bibliography. NOTE 2 For assaying techniques different from the listed ones other sampling procedures can be required. NOTE 3 For the purpose of production control or lot inspections the International Standards for the sampling indicated in the Bibliography or corresponding guidelines can be applied in addition.
Jewellery and precious metals — Sampling of precious metals and precious metal alloys
- ICS
- 39.060
- CCS
- 发布
- 2023-09-10
- 实施
This document specifies the analytical procedure for the determination of silver with a nominal content of and above 999 ? (parts per thousand). This document specifies a method intended to be used as the recommended method for the determination of silver of fineness of and above 999 ?. For the determination of fineness of and above 999,9 ?, modifications described in Annex B apply.
Jewellery and precious metals — Determination of high purity silver — Difference method using ICP-OES
- ICS
- 39.060
- CCS
- 发布
- 2023-09-10
- 实施
Jewellery and precious metals. Determination of very high purity gold. Difference method using ICP-MS
- ICS
- 39.060
- CCS
- 发布
- 2023-08-31
- 实施
- 2023-08-31
本文件按照GB/T 1.1—2020《标准化工作导则 第1部分：标准化文件的结构和起草规则》 的规定起草。
Lab-grown Diamond Grading
- ICS
- 39.060
- CCS
- D441
- 发布
- 2023-08-30
- 实施
- 2023-09-30
本文件按照GB/T 1.1—2020《标准化工作导则 第1部分：标准化文件的结构和起草规则》的规定起草。
Quality specification of standard laboratory grown diamond
- ICS
- 39.060
- CCS
- D441
- 发布
- 2023-08-30
- 实施
- 2023-09-30
本文件规定了珠宝玉石及贵金属饰品标识的术语和定义、基本原则、标注内容及要求。本文件适用于陕西省行政区域内生产、加工、销售的珠宝玉石及贵金属饰品的标识。
Jewelry, jade and precious metal jewelry markings
- ICS
- 39.060
- CCS
- Y 88
- 发布
- 2023-08-28
- 实施
- 2023-09-28
Geographical indication product Bahrain stone
- ICS
- 39.060
- CCS
- D 59
- 发布
- 2023-08-25
- 实施
- 2023-09-25
BS ISO 18214. Jewellery and precious metals. Determination of high purity gold, silver, platinum and palladium. Difference method using SPARK-OES
- ICS
- 39.060
- CCS
- 发布
- 2023-08-07
- 实施
- 2023-08-07
Jewellery and precious metals — Determination of very high purity gold — Difference method using ICP-MS
- ICS
- 39.060
- CCS
- 发布
- 2023-08
- 实施
- 2023-08
本文件规定了自动化切磨培育钻石的重量与尺寸规范要求、试验方法、检测规则和标识。 本文件适用于自动化切磨培育钻石成形的圆钻的重量、尺寸和比率。
Weight and size specifications for automated cut lab-grown diamonds
- ICS
- 39.060
- CCS
- C243
- 发布
- 2023-07-31
- 实施
- 2023-09-01
Jewellery and precious metals — Quality control of batches and sets of small diamonds — Terminology, classification and test methods
- ICS
- 39.060
- CCS
- 发布
- 2023-07
- 实施
Jewellery and precious metals — Inspection of batches of small diamonds — Terminology, classification and test methods
- ICS
- 39.060
- CCS
- 发布
- 2023-07
- 实施
Mugwort green jade identification
- ICS
- 39.060
- CCS
- Y 88
- 发布
- 2023-06-30
- 实施
- 2023-07-30
试样经剪碎，用硝酸、氯化钠配制的混合溶液在低温下溶解试样得到试样溶液。在酸性条件下，加热蒸馏试样溶液，氰根离子以氰化氢的形式被蒸出，用氢氧化钠溶液吸收，得到氰根离子吸收液。在密闭容器和一定温度下，试液中的氰化物在酸性条件下用氯胺T将其衍生为氯化氰，氯化氰在顶空瓶中达到平衡，将气相部分导入气相色谱进行分离，电子捕获检测器测定氰化物含量。
Determination of cyanide in electroformed gold articles by headspace gas chromatography
- ICS
- 39.060
- CCS
- C322
- 发布
- 2023-06-26
- 实施
- 2023-07-01
Jewellery and precious metals — Determination of very high purity gold — Difference method using ICP-MS
- ICS
- 39.060
- CCS
- 发布
- 2023-06
- 实施
Jewellery and precious metals — Determination of high purity gold, silver, platinum and palladium — Difference method using SPARK-OES
- ICS
- 39.060
- CCS
- 发布
- 2023-06
- 实施
本文件规定了经抛光的首饰用和田玉（白玉、青白玉、青玉）的分级规则。 本文件适用于经抛光的首饰用和田玉（白玉、青白玉、青玉）的品质分级。未抛光的首饰用和田玉（白玉、青白玉、青玉）的颜色、净度和质地分级可参照本文件执行。
Grading of Hetian jade (white jade, green white jade, sapphire) for jewelry
- ICS
- 39.060
- CCS
- R889
- 发布
- 2023-05-15
- 实施
- 2023-05-22
本文件规定了和田玉（青玉）手镯分级的术语和定义、颜色分级、质地分级、净度分级、加工工艺质量分级、质量、尺寸、组合级别表示方法、分级要求和分级证书。 本文件适用于和田玉（青玉）内圈为圆形的手镯产品分级，其他形状的手镯可参照执行。
Hetian Jade (Sapphire) Bracelet Grading
- ICS
- 39.060
- CCS
- R889
- 发布
- 2023-05-15
- 实施
- 2023-05-22
