Wholesale Anthracite Coke – Reference Material For Ore Detection – Shandong Institute of Metallurgical Science
Wholesale Anthracite Coke – Reference Material For Ore Detection – Shandong Institute of Metallurgical Science Detail:
The CRM is used for the quality control and calibration of analytical instruments in analysis of Coal. It is also used for the evaluation and verification of accuracy of the analytical methods. The CRM can be used for the transfer of measured value.
Table 1. Certified Values for GBW (E) 110109 (k=2)
| Number | Elements | P/% | As*/μg/g | F/μg/g | Cl*/% | Hg*/μg/g |
| GBW(E)110109 | Certified Values | 0.0080 | 22 | 158 | 0.051 | 0.03 |
| Uncertainty | 0.0008 | 3 | 11 | 0.005 | 0.01 |
Note 1: * Indicates that it is not within the recommended scope for production proficiency of CNAS
Table 2. Analysis methods
|
Composition |
Method |
|
P |
Reduced molybdophosphate photometric method ICP-AES |
|
As |
HG-ICP-AES HG-AFS |
|
F |
Fluorine ion-selective electrode analysis Ion chromatography |
|
Cl |
The potentiometric titrimetric method Ion chromatography |
|
Hg |
Cold atomic absorption spectrometric method AFS Solid sampling and direct mercury analysis method |
Expiration of certification: The certification of this CRM is valid until June 1, 2024.
Table 3. Methods for homogeneity testing
|
Composition |
Analysis methods |
Minimum sample (g) |
|
P |
ICP-AES |
1 |
|
As |
HG-ICP-AES |
1 |
|
F |
Fluorine ion-selective electrode analysis |
0.5 |
|
Cl |
The potentiometric titrimetric method |
0.5 |
|
Hg |
AFS |
0.5 |
The certified reference material is packed in brown glass bottles with plastic covers. The net weight is 50 g each. It is suggested to keep dryness when stored.
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To constantly improve the management system by virtue of the rule of "sincerely, good faith and quality are the base of enterprise development", we widely absorb the essence of related products internationally, and constantly develop new products to meet the demands of customers for Wholesale Anthracite Coke – Reference Material For Ore Detection – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: India, Accra, Porto, We insist on "Quality First, Reputation First and Customer First". We are committed to providing high-quality products and good after-sales services. Up to now, our products have been exported to more than 60 countries and areas around the world, such as America, Australia and Europe. We enjoy a high reputation at home and abroad. Always persisting in the principle of "Credit, Customer and Quality", we expect cooperation with people in all walks of life for mutual benefits.
By Rigoberto Boler from Netherlands - 2017.04.08 14:55
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By Mavis from France - 2017.11.01 17:04
