Standards for Microanalysis containing Chromium
Occurrences of Cr in the combined standards library of the C. M. Taylor Company and SPI Supplies
DYOS Tool
Chromium containing materials occur in the standard groups listed below.
Follow these links for a list of the members of each group
Group
Group
Group
Pure Elements
Natural Minerals
Synthetic compounds
Synthetic Glasses
NIST Standard Reference Materials
Click on a name for details and picture of each Chromium bearing material.
If the same material occurs more than once, there may be differences in composition or grain size.
Name
Formula
Chromium Wt %
SPI SuppliesŪ
Mounted Item #
Each
Buy for mount
SPI SuppliesŪ
Loose Item #
Each
Buy loose
Chromium
#
Cr
99.99
AS4100-AB
$
AS4105-AB
$
Chromium Oxide
Cr
2
O
3
68.42
AS2070-AB
$
AS2075-AB
$
Chromite
(Fe,Mg)(Cr,Al)
2
O
4
31.23
AS5100-AB
$
AS5105-AB
$
SRM1267 Steel
Fe
74
Cr
24
Si
1
*
24.14
AS9420-AB
$
AS9425-AB
$
SRM160b Stainless Steel
Fe
64
Cr
18
Ni
12
Mo
2
Mn
1
*
18.37
AS9020-AB
$
AS9025-AB
$
SRM479 Fe-Cr-Ni Alloy
Fe
71
Cr
18
Ni
11
*
18.3
AS9050-AB
$
AS9055-AB
$
SRM1208-1 Inco 718
Ni
52
Fe
19
Cr
18
Nb
5
Mo
3
*
17.5
AS9380-AB
$
AS9385-AB
$
Crocoite
PbCrO
4
16.09
AS1140-AB
$
AS1145-AB
$
SRM1244 Nickel-Chromium Alloy
Ni
73
Cr
16
Fe
10
*
15.7
AS9390-AB
$
AS9395-AB
$
Uvarovite
Ca
3
Cr
2
Si
3
O
12
13.02
AS5660-AB
$
AS5665-AB
$
SRM1157 Steel
Fe
81
W
6
Mo
5
Cr
4
V
2
C
1
*
4.36
AS9360-AB
$
AS9365-AB
$
SRM663 Steel
Fe
95
Mn
2
Cr
1
Si
1
C
1
*
1.31
AS9260-AB
$
AS9265-AB
$
SRM661 AISI 4340 Steel
Fe
96
Ni
2
Cr
1
Mn
1
*
0.69
AS9240-AB
$
AS9245-AB
$
Chlorite
(Mg,Fe,Al)
6
(Al,Si)
4
O
10
(OH)
8
0.67
AS1110-AB
$
AS1115-AB
$
Pyrope
#
Mg
3
Al
2
Si
3
O
12
0.39
AS1300-AB
$
AS1305-AB
$
K-0963 Glass
O
41
Ge
30
Si
22
Zn
3
Eu
1
Zr
1
*
0.31
AS7350-AB
$
AS7355-AB
$
SRM662 AISI 94B17 Steel
Fe
95
Mn
1
Ni
1
Cu
1
*
0.30
AS9250-AB
$
AS9255-AB
$
SRM654a Titanium Alloy
Ti
90
Al
6
V
4
*
0.20
AS9230-AB
$
AS9235-AB
$
K-0968 Glass
Pb
55
Ge
26
O
17
*
0.19
AS7360-AB
$
AS7365-AB
$
SRM1259 Aluminum Alloy 7075
Al
90
Zn
5
Mg
2
Cu
2
*
0.17
AS9410-AB
$
AS9415-AB
$
Magnetite
Fe
3
O
4
0.14
AS1210-AB
$
AS1215-AB
$
K-1013 Glass
O
52
P
32
Al
6
Mg
6
Eu
1
Ba
1
*
0.14
AS7450-AB
$
AS7455-AB
$
K-0546 Glass
O
61
B
22
Al
10
Li
2
Eu
1
Ba
1
*
0.14
AS7320-AB
$
AS7325-AB
$
SRM664 High Carbon Steel
Fe
97
C
1
*
0.066
AS9270-AB
$
AS9275-AB
$
SRM1158 INVAR
Fe
63
Ni
36
*
0.062
AS9370-AB
$
AS9375-AB
$
SRM1135 High Silicon Steel
Fe
97
Si
3
*
0.022
AS9340-AB
$
AS9345-AB
$
SRM1134 High Silicon Steel
Fe
96
Si
3
*
0.019
AS9330-AB
$
AS9335-AB
$
# There is more than one variety of an item marked #.
* This indicates the approximate weight percentages of the major elements rather than the chemical formula.
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