Jewellery - Determination of palladium in palladium jewellery alloys - Inductively coupled plasma (ICP) solution-spectrometric method using yttrium as internal standard element
This standard method describes a procedure for the determination of palladium in jewellery palladium alloys preferably within the range of fineness as stated in ISO 9202 using inductively coupled plasma emission spectrometry.Preferentially the palladium content of the alloys lies between 500 ‰ (parts per thousand) and 950 ‰palladium. Palladium jewellery alloys can contain silver, indium, gallium, copper, cobalt, nickel, tin andruthenium. Interferences with the determination procedure by the presence of these alloying elements have not been observed.If other elements are alloyed it has to be checked whether interferences occur.