Wholesale Bituminous Coal Smithing Coal Suppliers – Reference Material For Instrument Calibration – Shandong Institute of Metallurgical Science
Wholesale Bituminous Coal Smithing Coal Suppliers – 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:
Assume full responsibility to meet all demands of our clients; achieve continuous advancements by promoting the growth of our clients; become the final permanent cooperative partner of clients and maximize the interests of clients for Wholesale Bituminous Coal Smithing Coal Suppliers – Reference Material For Instrument Calibration – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Accra, Jamaica, Bahamas, Many kinds of different products are available for you to choose, you can do one-stop shopping here. And customized orders are acceptable. Real business is to get win-win situation, if possible, we would like to provide more support for customers. Welcome all nice buyers communicate details of products with us!!
By Jason from Cyprus - 2017.04.08 14:55
Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
By Christopher Mabey from Palestine - 2017.09.29 11:19
