GB/T 18043-2000.Precious metal jewellery content non-damaged test method-X-ray fluorescence spectrom...
GB/T 18043-2008 首饰贵金属含量的测定X射线荧光光谱法
GB/T 18043-2008.Jewellery- Determination of precious metal content-Method using X - Ray fluorescence...
GB/T 18043-2013 首饰贵金属含量的测定X射线荧光光谱法
GB/T 18043-2013.Jewellery-Determination of precious metal content-Method using X-Ray fluorescence sp...