China Alston Anthracite Factory – Reference Material For Instrument Calibration – Shandong Institute of Metallurgical Science
China Alston Anthracite Factory – 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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Well-run devices, expert profits group, and better after-sales companies; We have been also a unified huge family, everybody keep on with the organization worth "unification, determination, tolerance" for China Alston Anthracite Factory – Reference Material For Instrument Calibration – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Egypt, Mexico, venezuela, Now, with the development of internet, and the trend of internationalization, we've got decided to extend business to overseas market. With the propose of bringing more profits to oversea customers by providing directly abroad. So we have changed our mind, from home to abroad, hope to give our customers more profit, and looking forward to more chance to make business.
By Ray from Johor - 2017.10.27 12:12
The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
By Belle from Bolivia - 2017.09.30 16:36