Chrome Molybdenum Manufacturer – Reference Material For Coal Testing – Shandong Institute of Metallurgical Science
Chrome Molybdenum Manufacturer – Reference Material For Coal Testing – Shandong Institute of Metallurgical Science Detail:
Table 1. Certified Values for YSBC 28752-95 (Mass Fraction %)
|
Number |
Elements |
TFe |
SiO2 |
Al2O3 |
CaO |
MgO |
K2O |
|
YSBC 28752-95
|
Certified Values |
64.66 |
4.34 |
1.80 |
0.011 |
0.027 |
0.082 |
|
Uncertainty |
0.15 |
0.05 |
0.03 |
0.003 |
0.002 |
0.003 |
|
|
Number |
Elements |
Na2O |
TiO2 |
Mn |
S |
P |
|
|
YSBC 28752-95 |
Certified Values |
0.01 |
0.23 |
0.007 |
0.0091 |
0.020 |
|
|
Uncertainty |
0.01 |
0.02 |
0.001 |
0.0003 |
0.002 |
Table 2. Analysis Methods
|
Composition |
Method |
|
TFe |
Titanium(III) chloride reduction potassium dichromate titration method |
|
SiO2 |
Perchloric acid dehydration gravimetric methodThe silicomolybdic blue spectrophotometric methodICP-AES |
|
Al2O3 |
The chrome azurol S photometric method ICP-AES |
|
CaO |
ICP-AESAAS |
|
MgO |
ICP-AES AAS |
|
K2O |
ICP-AES AAS |
|
Na2O |
ICP-AES AAS |
|
TiO2 |
Diantipyrylmethane spectrophotometric method ICP-AES |
|
Mn |
Potassium periodate spectrophotometric method ICP-AESAAS |
|
S |
High frequency combustion infrared absorption methodBarium sulfate gravimetric methodCombustion iodometric method |
|
P |
Bismuth phosphomolybdenum blue photometryICP-AES |
Expiration of certification: The certification of this CRM is valid until January 1, 2025.
Table 3. Methods for homogeneity testing
|
Composition |
Analysis methods |
Minimum sample (g) |
|
TFe |
Titanium(III) chloride reduction potassium dichromate titration method |
0.2 |
|
SiO2 |
The silicomolybdic blue spectrophotometric method |
0.2 |
|
Al2O3、CaO、MgO、TiO2、Mn、P |
ICP-AES |
0.2 |
|
K2O、Na2O |
AAS |
0.2 |
|
S |
The Infrared absorption method |
0.2 |
Product detail pictures:
Related Product Guide:
Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction for Chrome Molybdenum Manufacturer – Reference Material For Coal Testing – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Victoria, America, Madagascar, We have got constantly insisted on the evolution of solutions, spent good funds and human resource in technological upgrading, and facilitate production improvement, meeting the wants of prospects from all countries and regions.
By Louis from United States - 2018.10.09 19:07
This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.
By Ida from Moldova - 2017.11.29 11:09
