Standards for Microanalysis containing Potassium
Occurrences of K in the combined standards library of the C. M. Taylor Company and SPI Supplies
DYOS Tool
Potassium containing materials occur in the standard groups listed below.
Follow these links for a list of the members of each group
Group
Group
Group
Natural Minerals
NIST Standard Reference Materials
Synthetic compounds
Click on a name for details and picture of each Potassium bearing material.
If the same material occurs more than once, there may be differences in composition or grain size.
Name
Formula
Potassium Wt %
SPI SuppliesŪ
Mounted Item #
Each
Buy for mount
SPI SuppliesŪ
Loose Item #
Each
Buy loose
Potassium Chloride
KCl
52.44
This item is not suitable for mounting
AS8105-AB
$
Potassium Hexafluorosilicate
K
2
SiF
6
35.50
AS8250-AB
$
AS8255-AB
$
Potassium Bromide
KBr
32.85
This item is not suitable for mounting
AS8095-AB
$
Orthoclase
KAlSi
3
O
8
13.25
AS5210-AB
$
AS5215-AB
$
Phlogopite
KMg
3
AlSi
3
O
10
(OH)
2
9.37
AS5220-AB
$
AS5225-AB
$
Biotite
#
K(Mg,Fe)
3
AlSi
3
O
10
(OH)
2
8.33
AS5060-AB
$
AS5065-AB
$
Obsidian
Na,K,Al,Fe silicate glass
4.18
AS1250-AB
$
AS1255-AB
$
Kaersutite
Ca
2
Na(Mg,Fe)
4
TiSi
6
Al
2
O
22
(OH)
2
0.97
AS1200-AB
$
AS1205-AB
$
Plagioclase
#
(Ca,Na)Al(Al,Si)Si
2
O
8
0.23
AS1280-AB
$
AS1285-AB
$
Albite
#
NaAlSi
3
O
8
0.19
AS5010-AB
$
AS5015-AB
$
Pollucite
#
CsAlSi
2
O
6
0.06
AS5710-AB
$
AS5715-AB
$
SRM610 500ppm Trace Element Glass
O
45
Si
33
Na
10
Ca
8
Al
1
*
0.051
AS9190-AB
$
AS9195-AB
$
Bustamite
(Mn,Ca)SiO
3
0.05
AS1080-AB
$
AS1085-AB
$
SRM93a Borosilicate Glass
O
54
Si
38
B
4
Na
3
Al
1
*
0.012
AS9010-AB
$
AS9015-AB
$
SRM612 50ppm Trace Element Glass
O
46
Si
34
Na
11
Ca
8
Al
1
*
0.01
AS9200-AB
$
AS9205-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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