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  • Converter Slag Certified Reference Material for Chemical Analysis

Converter Slag Certified Reference Material for Chemical Analysis

Short Description:

Certificate of Certified Reference Material Converter Slag Certified Reference Material for Chemical Analysis


Product Detail

Product Tags

Product introduction

The CRM is used for the quality control and calibration of analytical instruments in analysis of converter slag. 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.

Certified Values

Table 1. Certified Values for YSBC 28863-2017 (Mass Fraction %)

Number

Elements

TFe

SiO2

CaO

MgO

Al2O3

FeO*

MnO

TiO2

S

P2O5

 

YSBC 28863-2017

Certified Values

15.33

14.17

44.45

7.01

2.76

11.43

2.40

0.65

0.17

2.21

Uncertainty

0.09

0.09

0.11

0.08

0.04

0.07

0.04

0.02

0.01

0.04

Number

Elements

K2O

Na2O

Cr2O3*

V2O5*

As*

Pb*

Zn*

F*

Cd*

 

 

YSBC 28863-2017

Certified Values

0.10

0.13

0.12

0.186

0.0003

0.0074

0.010

0.39

(0.0001)

 

Uncertainty

0.01

0.01

0.01

0.004

0.0001

0.0004

0.001

0.01

—

  

Note 1: ( ) Indicates information value

Note 2: * Indicates that it is not within the recommended scope for production proficiency of RMP

Analysis Methods

Table 2. Analysis methods

Composition

Method

TFe

Titanium(Ⅲ) chloride reduce potassium dichromate titration method

SiO2

Perchloric acid dehydration gravimetric method ICP-AES

CaO

EDTA titrimetric method

Potassium permanganate titration method

 

 

MgO

EDTA titrimetric method

EyDTA titrimetric method ICP-AES

 

Al2O3

EDTA titrimetric method

The chrome azurol S photometric method ICP-AES

FeO

Potassium dichromate titration

 

MnO

ICP-AES AAS

Potassium periodate spectrophotometric method

TiO2

ICP-AES

Diantipyrylmethane spectrophotometric method

 

S

High frequency combustion infrared absorption method Barium sulfate gravimetric method

Combustion iodometric method

ICP-AES

P2O5

Bismuth phosphomolybdenum blue photometry

ICP-AES

K2O

ICP-AES AAS

Na2O

ICP-AES

AAS

 

Cr2O3

ICP-AES AAS

Diphenyl carbazide spectrophotometric method

 

V2O5

ICP-AES

The N-benzoyl’-N-phenylhydroxylamine extraction spectrophotometric method AAS

 

 

As

ICP-AES

Hydride generation ICP-AES AFS

ICP-MS

Hydride generation AAS

 

Pb

ICP-MS ICP-AES

Carrier precipitation- ICP-AES

AAS

Zn

ICP-AES

AAS

F

Ion-selective electrode method Ion chromatography

Cd

ICP-MS

GAAS

Homogeneity Test and Stability Inspection

Expiration of certification: The certification of this CRM is valid until February 1, 2022.

Table 3. Methods for homogeneity testing

Composition

Analysis methods

Minimum sample (g)

TFe

Titanium(Ⅲ) chloride reduce potassium dichromate titration

0.2

FeO

Potassium dichromate titration

0.2

SiO2

Perchloric acid dehydration gravimetric method

0.2

CaO, MgO

EDTA titrimetric method

0.2

Al2O3, MnO, TiO2, P 2O5, K2O, Na2O, Cr2O3, V2O5, Pb, Zn

ICP-AES

0.1

S

High frequency combustion infrared absorption method

0.1

F

Ion-selective electrode method

0.2

As, Cd

ICP-MS

0.2

Packing And Storage

The certified reference material is packed in glass bottles with plastic covers. The net weight is 50g each. It is suggested to keep dryness when stored. The certified reference material should be dried at 105℃ for 1 hour before use, then it should be taken out and cooled to room temperature.

Co-operating Laboratories

Shanghai Baosteel Technology Center

Angang Technology Centre

WISCO Technology Centre

52 Institure of China Industries Group

ChongQing Iron Steel Research Institure Co.Ltd

Standard Sample Institute, Wuhan University of Science and Technology

Shandong Metallurgical Research Institute Test Center

Shandong Metallurgical Product Quality Supervision and Inspection Station

 

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