China List Of Certified Reference Materials Supplier –  Reference Material For Ore Detection  – Shandong Institute of Metallurgical Science

products

China List Of Certified Reference Materials Supplier – Reference Material For Ore Detection – Shandong Institute of Metallurgical Science

Short Description:


Product Detail

Product Tags

Related Video

Feedback (2)

Reliable good quality and very good credit standing are our principles, which will help us at a top-ranking position. Adhering to your tenet of "quality 1st, purchaser supreme" for Reference Material Certificate , The Certified Reference Material Is , Nist Standard Reference Materials , "Change for that improved!" is our slogan, which means "A better globe is before us, so let's take pleasure in it!" Change for the better! Are you all set?
China List Of Certified Reference Materials 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.

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.


Product detail pictures:

China List Of Certified Reference Materials Supplier –  Reference Material For Ore Detection  – Shandong Institute of Metallurgical Science detail pictures


Related Product Guide:

The corporation upholds the philosophy of "Be No.1 in high quality, be rooted on credit rating and trustworthiness for growth", will continue to serve outdated and new consumers from home and overseas whole-heatedly for China List Of Certified Reference Materials Supplier – Reference Material For Ore Detection – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Irish, Haiti, Berlin, With excellent products, high quality service and sincere attitude of service, we ensure customer satisfaction and help customers create value for mutual benefit and create a win-win situation. Welcome customers all over the world to contact us or visit our company. We will satisfy you with our professional service!
  • Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!
    5 Stars By Rachel from Mongolia - 2018.09.12 17:18
    The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.
    5 Stars By Arabela from Bogota - 2017.08.18 18:38
    Write your message here and send it to us