Crm Cloud Supplier – Reference Material For Ore Detection – Shandong Institute of Metallurgical Science
Crm Cloud Supplier – 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 eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" and the theory of "quality the basic, belief the very first and management the advanced" for Crm Cloud Supplier – Reference Material For Ore Detection – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Pretoria, Juventus, Uruguay, We pursue the management tenet of "Quality is superior, Service is supreme, Reputation is first", and will sincerely create and share success with all clients. We welcome you to contact us for more information and look forward to working with you.
By tobin from Venezuela - 2017.10.27 12:12
In our cooperated wholesalers, this company has the best quality and reasonable price, they are our first choice.
By Eileen from Johor - 2018.09.21 11:44