China Chromoly 4130 Manufacturers – Reference Material For Instrument Calibration – Shandong Institute of Metallurgical Science
China Chromoly 4130 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.
Product detail pictures:
Related Product Guide:
Our personnel are generally in the spirit of "continuous improvement and excellence", and together with the outstanding top quality merchandise, favorable price tag and fantastic after-sales solutions, we try to gain every single customer's rely on for China Chromoly 4130 Manufacturers – Reference Material For Instrument Calibration – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Colombia, Estonia, Slovenia, To keep the leading position in our industry, we never stop challenging the limitation in all aspects to create the ideal products. In his way, We can enrich our life style and promote a better living environment for the global community.
By Ryan from Wellington - 2017.03.28 12:22
This is a very professional and honest Chinese supplier, from now on we fell in love with the Chinese manufacturing.
By Andrea from California - 2018.09.16 11:31
