Spectroscopic Certified Reference Materials Copper and its alloys

Brass M 68 - MJ series

Chemical composition [%]

Standard no	Se	Cr	Zr	Cd	Cu	Zn
MJ 1	0,00062	0,0120	0,0005	0,00355	67,77	the rest
MJ 2	0,00037	0,00440	0,0015	0,00377	66,40	the rest
MJ 3	0,00035	0,00158	0,0030	0,00165	67,39	the rest
MJ 4	0,0124	0,00374	0,0050	0,00130	68.06	the rest
MJ 5	0,00288	0,00065	0,0080	0,000360	67,82	the rest

The set consists of 5 certified reference materials in form of discs 40 mm in diameter and ~28 mm height.

CRMs MJ1, MJ2, MJ3, MJ4, MJ5 are available as single discs.