China Physicochemical Analysis Manufacturer – Reference Material For Ore Detection – Shandong Institute of Metallurgical Science
China Physicochemical Analysis Manufacturer – 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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Our advancement depends over the highly developed devices, excellent talents and continually strengthened technology forces for China Physicochemical Analysis Manufacturer – Reference Material For Ore Detection – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Mexico, Algeria, Argentina, With the spirit of "credit first, development through innovation, sincere cooperation and joint growth", our company is striving to create a brilliant future with you, so as to become a most valuable platform for exporting our goods in China!
By Juliet from Mongolia - 2017.10.25 15:53
Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!
By Albert from Senegal - 2018.06.21 17:11
