SUMMARY
The application note summarizes the digestion of AMIS 0566, a Copper Concentrate Certified Reference Material using ColdBlock Pro Series CBM 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: |
|
AMIS 0566 after bulk-up
The Didipio Gold-Copper Project is in the north of Luzon Island in the Philippines.
The deposit lies within the Dinkidi stock in the Didipio Igneous Complex, a massive alkalic intrusive body. Regionally, the geology consists of late Miocene aged volcanic, volcaniclastic, intrusive and sedimentary rocks that are hosted above a sequence of pre-tertiary aged tonalite and schist.
amis.co.za
AMIS0566; Copper concentrate from the Philippines; AMIS Matrix Reference Materials; A part of Torre Industries: Gauteng, South Africa
|
AMIS 0566 – Copper Concentrate |
||||||||||
|
Method: |
.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 |
AMIS Certified 4-acid Value (ppm) |
95% Confidence Limits |
Sample A |
Sample B |
Sample C |
Average (ppm) |
Stdev |
% RSD |
% Recovery vs 4-acid value |
|
|
Low |
High |
|||||||||
|
Ag |
77 |
69 |
85 |
74 |
80 |
76 |
76.7 |
2.26 |
2.9% |
100% |
|
Al |
16100 |
15100 |
17100 |
15687 |
15339 |
15593 |
15539.7 |
146.99 |
0.9% |
97% |
|
As |
67 |
56 |
78 |
69 |
64 |
66 |
66.2 |
1.86 |
2.8% |
99% |
|
Ba |
237 |
186 |
288 |
250 |
238 |
236 |
241.4 |
5.89 |
2.4% |
102% |
|
Bi |
46 |
41 |
51 |
46 |
45 |
45 |
45.2 |
0.59 |
1.3% |
98% |
|
Ca |
6263 |
5836 |
6690 |
6135 |
6078 |
6022 |
6078.2 |
46.33 |
0.8% |
97% |
|
Cd |
2 |
1.9 |
2.1 |
2 |
2 |
2 |
2.2 |
0.17 |
7.6% |
112% |
|
Ce |
5 |
4 |
6 |
5 |
5 |
5 |
5.3 |
0.09 |
1.8% |
105% |
|
Co |
48 |
41 |
55 |
48 |
45 |
45 |
45.9 |
1.46 |
3.2% |
96% |
|
Cu |
217100 |
207100 |
227100 |
215457 |
212850 |
218439 |
215581.8 |
2283.63 |
1.1% |
99% |
|
Ga |
4 |
3 |
5 |
4 |
4 |
4 |
3.8 |
0.05 |
1.2% |
96% |
|
In |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
0.00 |
0.3% |
102% |
|
K |
8498 |
8226 |
8770 |
8350 |
8072 |
8390 |
8270.7 |
141.44 |
1.7% |
97% |
|
La |
2 |
1 |
3 |
2 |
2 |
2 |
2.2 |
0.05 |
2.1% |
112% |
|
Mg |
5077 |
4421 |
5733 |
5107 |
5063 |
5063 |
5077.5 |
20.66 |
0.4% |
100% |
|
Mn |
151 |
129 |
173 |
153 |
147 |
151 |
150.3 |
2.62 |
1.7% |
100% |
|
Mo |
87 |
78 |
96 |
91 |
92 |
93 |
92.1 |
1.15 |
1.3% |
106% |
|
Na |
5941 |
5643 |
6239 |
6290 |
6155 |
6223 |
6222.7 |
55.11 |
0.9% |
105% |
|
Pb |
242 |
214 |
270 |
239 |
239 |
232 |
236.7 |
3.30 |
1.4% |
98% |
|
Rb |
14 |
11 |
17 |
15 |
15 |
15 |
14.9 |
0.20 |
1.3% |
107% |
|
*S |
249400 |
231400 |
267400 |
249251 |
249396 |
242570 |
247072.4 |
3184.03 |
1.3% |
99% |
|
Se |
422 |
318 |
526 |
426 |
405 |
417 |
416.1 |
8.39 |
2.0% |
99% |
|
AMIS 0566 – Copper Concentrate |
||||||||||
|
Method: |
.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 |
AMIS Certified 4-acid Value (ppm) |
95% Confidence Limits |
Sample A |
Sample B |
Sample C |
Average (ppm) |
Stdev |
% RSD |
% Recovery vs 4-acid value |
|
|
Low |
High |
|||||||||
|
Sb |
9 |
8.6 |
9.4 |
10 |
9 |
9 |
9.6 |
0.31 |
3.2% |
106% |
|
Sr |
102 |
87 |
117 |
101 |
101 |
108 |
103.4 |
3.40 |
3.3% |
101% |
|
Te |
41 |
36 |
46 |
40 |
42 |
41 |
41.2 |
0.85 |
2.1% |
100% |
|
Th |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
0.04 |
3.8% |
99% |
|
V |
76 |
71 |
81 |
79 |
74 |
73 |
75.3 |
2.89 |
3.8% |
99% |
|
Y |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
0.05 |
2.4% |
98% |
|
Zn |
251 |
230 |
272 |
254 |
242 |
251 |
248.7 |
5.22 |
2.1% |
99% |
* Element certified by Combustion/LECO
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4551 Zimmerman Ave
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info@coldblock.ca.
