Norm-Entwurf
22/30450637 DC
22/30450637 DC
BS EN ISO 11210. Jewellery and precious metals. Determination of platinum in platinum jewellery alloys. Gravimetric method after precipitation using ammonium chloride
Titel (englisch)
BS EN ISO 11210. Jewellery and precious metals. Determination of platinum in platinum jewellery alloys. Gravimetric method after precipitation using ammonium chloride