Home / Standards / GB/T 19718 GB/T 19718 Determination of nickel content in jewellery — Flame atomic absorption spectrometry - 2005 首饰镍含量的测定火焰原子吸收光谱法 - 2005 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A