Design Your Own Standards (DYOS) for Microanalysis

SPI Supplies
Build your own standard using the combined libraries of both the C. M. Taylor Company as well as SPI Supplies

DYOS Tool
Introduction: Designing a personal standard using the SPI Supplies "Design Your Own Standard" (DYOS) system can be more complicated than selecting an item from most other parts of the SPI Supplies product line. In order to minimize confusion we suggest you read carefully and understand the content and instructions we have provided so that you can construct the standard that would have the greatest possible value to you. Follow the two steps described below.

Chinese
Please be aware that there are minimum order requirements.
Step #1 Become familiar with the DYOS Tool. This icon appears at the upper left of every page in this section. Its different components are:

DYOS Tool
header - clicking on this text returns you to this page

The green bars correspond to the six groups of standard materials in the combined CM Taylor and SPI Supplies collections
Pure Elements Natural Minerals Synthetic Compounds Rare Earth Compounds Glasses NIST (SRMs)
The Periodic Table of the Elements which links to lists of standard items containing the selected element
Period 1
IA
1A

Group
18
VIIIA
8A
1 1
H

1.008
2
IIA
2A
13
IIIA
3A
14
IVA
4A
15
VA
5A
16
VIA
6A
17
VIIA
7A
2
He
4.003
2 3
Li
6.941
4
Be

9.012
5
B
10.81
6
C
12.01
7
N
14.01
8
O
16.00
9
F
19.00
10
Ne
20.18
3 11
Na

22.99
12
Mg

24.31
3
IIIB
3B
4
IVB
4B
5
VB
5B
6
VIB
6B

7
VIIB
7B

8 9 10 11
IB
1B
12
IIB
2B
13
Al
26.98
14
Si
28.09
15
P
30.97
16
S
32.07
17
Cl
35.45
18
Ar
39.95
------- VIII -------
------- 8 -------
4 19
K
39.10
20
Ca
40.08
21
Sc
44.96
22
Ti
47.88
23
V
50.94

24
Cr
52.00

25
Mn
54.94

26
Fe
55.85
27
Co
58.47
28
Ni
58.69

29
Cu
63.55

30
Zn
65.39
31
Ga
69.72
32
Ge
72.59
33
As
74.92
34
Se
78.96
35
Br
79.90
36
Kr
83.80
5 37
Rb
85.47
38
Sr
87.62
39
Y
88.91
40
Zr
91.22
41
Nb
92.91
42
Mo
95.94
43
Tc
(98)
44
Ru
101.1
45
Rh
102.9
46
Pd
106.4
47
Ag
107.9
48
Cd
112.4
49
In
114.8
50
Sn
118.7
51
Sb
121.8
52
Te
127.6
53
I
126.9
54
Xe
131.3
6 55
Cs
132.9
56
Ba
137.3
57
La*
138.9
72
Hf
178.5
73
Ta
180.9
74
W
183.9
75
Re
186.2
76
Os
190.2
77
Ir
190.2
78
Pt
195.1
79
Au
197.0
80
Hg
200.5
81
Tl
204.4
82
Pb
207.2
83
Bi
209.0
84
Po
(210)
85
At
(210)
86
Rn
(222)
7 87
Fr
(223)
88
Ra
(226)
89
Ac~
(227)
104
Rf
(257)
105
Db
(260)
106
Sg
(263)
107
Bh
(262)
108
Hs
(265)
109
Mt
(266)
 

 

Lanthanide Series* 58
Ce
140.1
59
Pr
140.9
60
Nd
144.2
61
Pm
(147)
62
Sm
150.4
63
Eu
152.0
64
Gd
157.3
65
Tb
158.9
66
Dy
162.5
67
Ho
164.9
68
Er
167.3
69
Tm
168.9
70
Yb
173.0
71
Lu
175.0
Actinide Series~ 90
Th
232.0
91
Pa
(231)
92
U
(238)
93
Np
(237)
94
Pu
(242)
95
Am
(243)
96
Cm
(247)
97
Bk
(247)
98
Cf
(249)
99
Es
(254)
100
Fm
(253)
101
Md
(256)
102
No
(254)
103
Lr
(257)

Tables of the elements, atomic numbers and atomic weights, arranged by
Element Symbol
S
Element Name
N
Atomic Number
Z
Atomic Weight
W

Step #2   Decide whether you want A Ready-to-Use Standard (A) or Loose Items (B).
A. Completely finished, ready-to-use standard
We will make you a completely finished, ready-to-use standard, with each chosen item mounted, polished, carbon coated and electron beam labelled. You will need to go to the Instructions page to select the type of mount you want and the items you wish to put in it. The individual items can be chosen from any of the standards accessible from the DYOS home page, and incremental discounts may apply. These items are then mounted according to the plan you have chosen. They are polished, carbon coated and identifying labels are applied to each one. Naturally DYOS mounts take longer to produce than the "Off-The-Shelf" series, and are more expensive, but you also receive the SPI Supplies DYOS User's Manual which is recognized as being the finest in the world. In addition to the information contained in the "Off-The-Shelf" User's Manual, the DYOS User's Manual has a photograph and plan of the mount showing details of each position as seen in the images to the right which show a custom 0.50 inch diameter mount containing three items (Model AST05003-AB): 1. Silicon, 2. Manganese, 3. Cobalt.

Some of the items in our collection do not take well to mounting and polishing. This is usually because of their water solubility, such as the halides of the alkali metals. We have adopted the policy not accepting these for mounting, however they can still be obtained in a loose form for you to use as you see fit.

There is a minimum order of three standards when being put into a finished mount.

In keeping with policy of SPI Supplies of incorporating a device for calibrating beam currents into each "Off-The-Shelf" mount, we recommend that you should include a Faraday cup as one item in your selection.
Or
B. Loose items
You can purchase individual standard items as loose grains for mounting in your own laboratory. You will receive one grain large enough to mount with care, and a data sheet. Be aware, however, that because of scarcity, not all standards are available in the loose form.

There is a minimum order of three grains if you go with this option.

Before making your final decision, remember that SPI Supplies is uniquely set up to do this precision preparation, free of cross contamination, has the renowned feature of electron beam labelling, and is recognized the world over for being the most respected manufacturer of standards for microanalysis.


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Sunday March 21, 2010
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