Wholesale Anthracite Coal Suppliers –  Reference Material For Ore Detection  – Shandong Institute of Metallurgical Science

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Wholesale Anthracite Coal Suppliers – Reference Material For Ore Detection – Shandong Institute of Metallurgical Science

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Our corporation puts emphasis about the administration, the introduction of talented staff, plus the construction of team building, attempting hard to improve the quality and liability consciousness of team members. Our organization successfully attained IS9001 Certification and European CE Certification of Usgs Reference Materials , High Temperature Reference Electrode , Crm Program , For more information, please send email to us. We are looking forwards the opportunity to service you.
Wholesale Anthracite Coal Suppliers – 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.

New standard coal

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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    5 Stars By Megan from New York - 2018.07.12 12:19
    This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
    5 Stars By Hilda from Saudi Arabia - 2017.08.16 13:39
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