SUMMARY
The application note summarizes the digestion of CDN-ME-1902, a multi-element Reference Material using ColdBlock Digestion Pro Series Technology.
| Instrument: | ColdBlock CBM sample digester, chiller, HF compatible liners, ICP-MS & ICP-OES |
| Published: | January 2023 |
| Digestion Time: | 30 Minutes |
| Acid Used: | Reverse Aqua Regia, HF & H3BO3 |
| Average ColdBlock Recovery vs. CRM: |
|
Standard CDN-ME-1902 was prepared by combining miscellaneous ores.
cdnlabs.com
CDN-ME-1902; Multi-Element; CDN Resource Laboratories Ltd; Langley, British Columbia (November, 2019)
|
CDN-ME-1902 |
||||||||||
|
Method: |
0.25g |
20mL reverse Aqua Regia + 3 mL HF digested at 80% for 20 minutes, add 20mL of 4% Boric Acid – and digest again at 80% for another 10 minutes |
||||||||
|
Element |
CDN Labs Certified 4-acid Value (ppm) |
CDN Labs 95% Confidence Limits |
Sample A |
Sample B |
Sample C |
Average (ppm) |
Stdev |
% RSD |
% Recovery vs 4-acid value |
|
|
Low |
High |
|||||||||
|
Ag |
349 |
332 |
366 |
301 |
301 |
310 |
304 |
4.06 |
1.3% |
87% |
|
Cu |
7810 |
7540 |
8080 |
7949 |
7986 |
8004 |
7980 |
23.09 |
0.3% |
102% |
|
Pb |
22000 |
21000 |
23000 |
22648 |
22768 |
23041 |
22819 |
164.59 |
0.7% |
104% |
|
Zn |
36600 |
34300 |
38900 |
37396 |
37827 |
37738 |
37654 |
185.77 |
0.5% |
103% |
Click here to download the Application Note in PDF format.
Join our monthly e-newsletter for expert tips, updates, and exclusive content delivered straight to your inbox.
ColdBlock Technologies Inc.
4551 Zimmerman Ave
Niagara Falls, ON L2E 3M5
info@coldblock.ca.
