河南省产品质量检验技术研究院

不测工作电容、电容不平衡、屏蔽抑制系数

计算机与仪表电缆 TICW/06-

ISO 11426

首饰 金合金首饰中金含量的测定 灰吹法(火试金法) Jewellery and precious metals — Determination of gold — Cupellation method (fire assay) ：

ISO 15093-2020

珠宝首饰和贵金属 高纯金、铂和钯的测定 ICP-OES法 差分法 Jewellery and precious metals Determination of high purity gold,platinum and palladium -Difference method using ICP-OES

ISO 11427

银合金首饰中银含量的测定 溴化钾容量法(电位滴定) Jewellery. Determination of silver in silver jewellery alloys. Volumetric (potentiometric) method using potassium bromide :2014（E）

ISO 13756

首饰 银合金首饰中银含量的测定 氯化钠或氯化钾容量法(电位滴定法) Jewellery. Determination of silver in silver jewellery alloys. Volumetric (potentiometric) method using sodium chloride or potassium chloride :2015（E）

ISO 15096-2020

珠宝首饰和贵金属 高纯银的测定 ICP-OES法 差分法 Jewellery and precious metals Determination of high purity silver Difference method using ICP-OES

ISO 11210

珠宝和贵金属铂含量的测定氯化铵重量法 Jewellery and precious metals — Determination of platinum — Gravimetry using ammonium chloride :2023（E）

ISO 11494-2019

珠宝 铂珠宝合金中铂的测定 用钇作为内标元素的电感耦合等离子体(ICP) 溶液-光谱法 Jewellery and precious metals-Determination of platinum in platinum alloys-ICP-OES method using an internal standard element

ISO 11490

珠宝和贵金属钯的测定丁二酮肟重量法 Jewellery and precious metals — Determination of palladium — Gravimetry using dimethylglyoxime :2023（E）

EN 1811-2011

测试所有穿刺皮肤及长期直接与皮肤接触的产品中的镍释放量的测定(含修改单A1:2015) Reference Test Method For Release Of Nickel From All Post Assemblies Which Are Inserted Into Pierced Parts Of The Human Body And Articles Intended To Come Into Direct And Prolonged Contact With The Skin (Incorporates Amendment A1:2015) +A1-

ISO 8653

首饰 指环尺寸 定义、测量和命名 Jewellery. Ring-sizes. Definition,measurement and designation :2016（E）

ISO 3656

Animal and vegetable fats and oils —Determination of ultraviolet absorbance expressed asspecific UV extinction :