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Reference Material For Environmental Testing

Short Description:

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


Product Detail

Product Tags

Product introduction

Certified Values

Table 1. Certified Values for YSBC 15602-2006 (Mass Fraction %)

Number

Elements

Ti

C

Si

Mn

P

S

Cr

YSBC

15602-2006

Certified Values

70.02

0.057

1.47

0.106

0.0071

0.0047

0.039

Uncertainty

0.17

0.003

0.03

0.004

0.0005

0.0006

0.003

Number

Elements

Ni

Mo

V

Cu

Al

Fe

 

YSBC

15602-2006

Certified Values

0.29

0.028

0.011

0.037

0.30

26.57

 

Uncertainty

0.02

0.003

0.002

0.003

0.02

0.13

 

Analysis Methods

Table 2. Analysis Methods

Composition

Method

Ti

The Ammonium ferric sulfate titration method

C

The Infrared absorption method

Si

ICP-AES

Perchloric acid dehydration gravimetric method

The silicomolybdic blue spectrophotometric method

The Sulphuric acid dehydration gravimetric method

Mn

Periodate photometric method

AAS

ICP-AES

P

Molybdobismuthylphosphoric blue spectrophotometric method

Molybdenum blue spectrophotometric method

Molybdenum blue photometry for extraction by butyl acetate

Extraction of Molybdenum Blue from N-Butyl and Alcohol-Third Chloromethane

ICP-AES

S

The Infrared absorption method

Cr

ICP-AES

AAS

Diphenyl carbon acyl dihydrazide photometry

Ni

ICP-AES

AAS

Budione oxime photometry

Mo

Rhodanate-butyl acetate extraction photometryd

ICP-AES

V

Tantalum reagent extraction spectrophotometric method

ICP-AES

Cu

ICP-AES

AAS

The DDTC photometric method

Al

ICP-AES

EDTA titrimetric method

The chrome azurol S photometric method

Fe

ICP-AES

Dichromate titration method

Homogeneity Test and Stability Inspection

Expiration of certification: The certification of this CRM is valid until January 1, 2026. 

Table 3. Methods for homogeneity testing

Composition

Analysis methods

Minimum sample (g)

Ti

The Ammonium ferric sulfate titration method

0.2

C、S

The Infrared absorption method

0.2

Mn、P、Cr、Ni、Mo、V、Cu、Al

ICP-AES

0.1

Si

Perchloric acid dehydration gravimetric method

0.5

Fe

Dichromate titration method

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.

 


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