body-piercing post assemblies-reference test method for determination of nickel content by flame atomic absorption spectrometry 体穿孔后组件.火焰原子吸收分光光度法测定镍含量的基准试验方法
workplace atmospheres-measurement of the dustiness of bulk materials-requirements and reference test methods; german version en 15051 : 2006 工作场所的空气.散装材料的污染度测量.要求和参考试验
reference test method for release of nickel from products intended to come into direct and prolonged contact with the skin; german version en 1811 : 1998 镍由产品上释放试图直接和长时间与皮肤接触的参考试
body-piercing post assemblies-reference test method for determination of nickel content by flame atomic absorption spectrometry; german version en 1810 : 1998 穿过机体的接线端子组件.用火焰原子吸收光谱法测定镍