China Top 10 Crm Software Factory – Reference Material For Ore Detection – Shandong Institute of Metallurgical Science
China Top 10 Crm Software Factory – 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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Sticking to the belief of "Creating products of high quality and making friends with people from all over the world", we always put the interest of customers in the first place for China Top 10 Crm Software Factory – Reference Material For Ore Detection – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Montpellier, luzern, Maldives, We are adhering to the philosophy of "attracting customers with the best products and excellent service". We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
By Christopher Mabey from Costa Rica - 2018.05.22 12:13
The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme", we have always maintained business cooperation. Work with you,we feel easy!
By Danny from Ireland - 2017.06.16 18:23
