Customer Relationship Management System Manufacturers –  Reference Material For Instrument Calibration  – Shandong Institute of Metallurgical Science

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Customer Relationship Management System Manufacturers – Reference Material For Instrument Calibration – Shandong Institute of Metallurgical Science

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Customer Relationship Management System Manufacturers – Reference Material For Instrument Calibration – Shandong Institute of Metallurgical Science Detail:

Table 1. Certified Values for YSBC 28604a-2013 (Mass Fraction %)

Number

Elements

C

S

Si

Mn

P

Fe

Al

YSBC

28604a-2013

Certified Values

0.050

0.002

69.96

0.256

0.023

26.57

1.26

Uncertainty

0.003

0.001

0.10

0.004

0.001

0.06

0.02

Number

Elements

Ca

Cu

Ni

Cr

Ti

Mg  

YSBC

28604a-2013

Certified Values

0.649

0.013

0.010

0.049

0.107

0.019

 

Uncertainty

0.005

0.001

0.001

0.002

0.004

0.001

 

Table 2. Analysis Methods

Composition

Method

C

The Infrared absorption method

Gas-volumetric method

S

The Infrared absorption method

Combustion iodometric method

Si

Perchloric acid dehydration gravimetric method

Silicon potassium fluoride titrimetric method

Mn

Periodate photometric method

ICP-AES

P

Bismuth phosphomolybdate blue spectrophotometric method

Antimony phosphomolybdate blue spectrophotometric method

ICP-AES

Fe

Potassium dichromate titration method

Al

EDTA titrimetric method

The chrome azurol S photometric method

ICP-AES

Ca

ICP-AES

AAS

Cu

BCO spectrophotometric method

ICP-AES

AAS

Ni

Dimetylglyoxime spectrophotometric method

ICP-AES

Cr

Diphenyl carbon acyl dihydrazide photometry

ICP-AES

Ti

Diantipyryl methane photometric method

ICP-AES

Mg

ICP-AES

AAS

Expiration of certification: The certification of this CRM is valid until November 1, 2023.

Table 3. Methods for homogeneity testing

Composition

Analysis methods

Minimum sample (g)

Si

Silicon potassium fluoride titrimetric method

0.1

C、S

The Infrared absorption method

0.2

Mn、P、Al、Ca、Cu、Ni、Cr、Ti、Mg

ICP-AES

0.2

Fe

Potassium dichromate titration method

0.2

The certified reference material is packed in glass bottles with plastic covers. The net weight is 50 g each. It is suggested to keep dryness when stored.


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Customer Relationship Management System Manufacturers –  Reference Material For Instrument Calibration  – Shandong Institute of Metallurgical Science detail pictures

Customer Relationship Management System Manufacturers –  Reference Material For Instrument Calibration  – Shandong Institute of Metallurgical Science detail pictures


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