Spectroscopic Certified Reference Materials Copper and its alloys

Nickel brass - WP series

Chemical composition [%]

Standard no	Ni	Pb	Mn	Fe	Sn	Al	As	Cd	Sb	Bi	P	Si	Cu	Zn
WP 1	5,45	0,52	0,0069	0,020	0,0042	0,020	0,0012	0,0019	0,0010	0,00080	0,020	(~0,01)*	67,15	the rest
WP 2	7,79	0,82	0,040	0,12	0,11	0,0090	0,0049	0,0052	0,0052	0,0052	0,0067	(0,0091)*	65,08	the rest
WP 3	10,24	1,52	0,15	0,20	0,18	0,0020	0,011	0,011	0,012	0,012	0,0079	(~0,03)*	63,05	the rest
WP 4	12,38	(~2)*	0,35	0,31	0,26	0,039	0,015	0,016	0,015	0,016	0,011	(0,040)*	60,91	the rest
WP 5	15,63	(~1,8)*	0,49	0,026	0,33	0,049	0,021	0,026	0,028	0,021	0,0027	(0,027)*	58,70	the rest
WP 6	4,27	2,41	-	-	-	-	-	-	-	-	-	-	69,37	the rest

*values not certified
The set consists of 6 certified reference materials in form of discs 40 mm in diameter and 30 mm height.
CRMs WP1, WP2, WP3, WP4, WP5 and WP6 are available as single discs.