Spectroscopic Certified Reference Materials Copper and its alloys

Cupro-nickel MN 25 - N series

Chemical composition [%]

Standard no	Ni	Zn	Mn	Pb	Sn	Fe	Co	Si	Cu
N 1	25,38	0,019	0,0018	0,0019	0,0089	0,0056	0,0050	0,0070	the rest
N 2	24,28	0,16	0,21	0,011	0,012	0,35	0,023	0,025	the rest
N 3	22,57	0,33	0,50	0,020	0,023	0,77	0,055	0,062	the rest
N 4	21,39	0,47	0,71	0,039	0,038	1,07	0,080	0,13	the rest

The set consists of 4 certified reference materials in form of discs 35 mm in diameter and 28 mm height.

CRMs N1, N2, N3, N4 are available as single discs.