SUMMARY
The application note summarizes the digestion of IARM 311A, a Grade 2, Titanium certified reference material using ColdBlock Digestion Pro Series Technology..
| Instrument: | Equipment: ColdBlock CBM sample digester, chiller, HF compatible liners, ICP-OES |
| Published: | September 2024 |
| Digestion Time: | 10 Minutes |
| Acid Used: | Aqua Regia & HF |
| Average ColdBlock Recovery vs. CRM: |
|
IARM 311A after bulk up
IARM 311A CR Grade 2 Titanium is a certified reference material sourced from LGC ARMI. LGC ARMI, Analytical Reference Material International, Manchester, New Hampshire, USA (September 2009)
|
IARM 311A – CP, Grade 2 Titanium |
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|
Method: |
0.2g |
12mL Aqua Regia + 1mL HF, digested at 90% power for 10 minutes |
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|
Analyte |
Certified Value (ppm) |
95% Confidence Limits |
Sample A |
Sample B |
Sample C |
Average |
Stdev |
% RSD |
% Recovery |
|
Al |
3200 |
100 |
3140 |
3200 |
3020 |
3120 |
74.83 |
1.8 |
98% |
|
Cr |
130 |
10 |
130 |
131 |
125 |
128.7 |
6.62 |
2.0 |
99% |
|
Cu |
13 |
5 |
14 |
12 |
13 |
13 |
0.82 |
6.3 |
100% |
|
Fe |
600 |
20 |
590 |
550 |
550 |
563 |
18.86 |
3.3 |
94% |
|
Mn |
13 |
2 |
13 |
13 |
13 |
13.1 |
0.29 |
2.2 |
101% |
|
Mo |
12 |
2 |
13 |
13 |
10 |
12 |
1.45 |
12.1 |
100% |
|
Ni |
140 |
10 |
133 |
133 |
132 |
133 |
0.47 |
0.4 |
95% |
|
Si |
50 |
10 |
46 |
42 |
54 |
47 |
4.99 |
11 |
95% |
|
Sn |
20 |
4 |
19 |
19 |
18 |
19 |
0.47 |
2.5 |
93% |
|
Ti |
994000 |
N/A |
998700 |
1011500 |
1002100 |
1004100 |
5413 |
0.5 |
101% |
|
V |
40 |
10 |
39 |
39 |
38 |
39 |
0.47 |
1.2 |
97% |
|
Zr |
120 |
10 |
115 |
112 |
115 |
114 |
1.41 |
1.2 |
95% |
Click here to download the Application Note in PDF format.
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