Wholesale 300 Series Stainless Steel Manufacturers – Reference Material For Coal Testing – Shandong Institute of Metallurgical Science
Wholesale 300 Series Stainless Steel Manufacturers – 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 improvement depends on the superior equipment, excellent talents and continuously strengthened technology forces for Wholesale 300 Series Stainless Steel Manufacturers – Reference Material For Coal Testing – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Haiti, Toronto, Australia, With the growing of the company, now our products sold and served at more than 15 countries around the world,such as Europe,North America,Middle-east,South America,Southern Asia and so on. As we bear in our mind that innovation is essential to our growth, new product development is constantly.Besides, Our flexible and efficient operation strategies,High quality products and competitive prices are exactly what our customers are looking for. Also a considerable service brings us good credit reputation.
By Nainesh Mehta from Jakarta - 2018.06.30 17:29
This company has a lot of ready-made options to choose and also could custom new program according to our demand, which is very nice to meet our needs.
By Heather from Atlanta - 2017.11.20 15:58