China Stainless Steel Is Made Up Of Suppliers – Reference Material For Chemical Testing – Shandong Institute of Metallurgical Science
China Stainless Steel Is Made Up Of Suppliers – Reference Material For Chemical Testing – Shandong Institute of Metallurgical Science Detail:
Table 1. Certified Values for GSB 03-2027-2006 (Mass Fraction %)
Number |
Elements |
TFe* |
FeO |
SiO2 |
Al2O3* |
CaO |
MgO |
S |
GSB 03-2027-2006 |
Certified Values |
72.01 |
28.63 |
0.158 |
0.095 |
0.025 |
0.042 |
0.0028 |
Uncertainty |
0.09 |
0.10 |
0.004 |
0.005 |
0.003 |
0.002 |
0.0004 |
|
Number |
Elements |
P* |
Mn |
Ti* |
K2O |
Na2O* |
Cu |
Ni |
GSB 03-2027-2006 |
Certified Values |
0.0013 |
0.043 |
0.028 |
0.0068 |
0.0008 |
0.0007 |
0.0022 |
Uncertainty |
0.0003 |
0.002 |
0.003 |
0.0005 |
0.0002 |
0.0002 |
0.0002 |
|
Number |
Elements |
Co |
As* |
Pb |
Zn |
Cr |
|
|
GSB 03-2027-2006 |
Certified Values |
0.0008 |
0.00012 |
0.0002 |
0.0026 |
0.0062 |
|
|
Uncertainty |
0.0001 |
0.00003 |
0.0001 |
0.0003 |
0.0004 |
|
Note : * Indicates that it is not within the recommended scope for production proficiency of RMP
Table 2. Analysis Methods
Composition |
Method |
TFe |
Titrimetric method after tin(Ⅱ) chloride reduction Titanium(Ⅲ) chloride reduce potassium dichromate titration method |
FeO |
Potassium dichromate titration method Potentiometric titration method |
SiO2 |
The silicomolybdic blue spectrophotometric method ICP-AES |
CaO |
AAS ICP-AES |
MgO |
AAS ICP-AES |
Al2O3 |
The chrome azurol S photometric method ICP-AES |
Ti |
ICP-AES Diantipyrylmethane spectrophotometric method |
Mn |
ICP-AES AAS Potassium periodate spectrophotometric method |
P |
N-butyl alcohol-chloroform extraction molybdenum blue spectrophotome-tric method The butyl acetate extraction photometric method ICP-AES |
S |
High frequency combustion infrared absorption method Combustion iodometric method |
K2O |
ICP-AES AAS |
Na2O |
ICP-AES AAS |
Cu |
ICP-AES AAS GFAAS |
Ni |
AAS GFAAS ICP-AES |
Co |
AAS GFAAS ICP-AES |
As |
GFAAS HG-ICP-AES ICP-AES |
Pb |
GFAAS AAS ICP-AES ICP-MS |
Zn |
ICP-AES AAS |
Cr |
AAS GFAAS ICP-AES |
Expiration of certification: The certification of this CRM is valid until January 31, 2023.
Table 3. Methods for homogeneity testing
Composition |
Analysis methods |
Minimum sample (g) |
TFe |
Titanium(Ⅲ) chloride reduce potassium dichromate titration |
0.2 |
FeO |
Potassium dichromate titration |
0.2 |
S |
High frequency combustion infrared absorption method |
0.5 |
Al2O3 |
ICP-AES |
0.1 |
K2O, Na2O,P |
ICP-AES |
0.5 |
CaO, MgO, Mn, Ti, Cu, Zn, Cr, Pb, As, Co, Ni, SiO2 |
ICP-AES |
0.2 |
National Steel Materials Testing Centre
Technology Center of Benxi Iron & Steel Group Co., Ltd
Yantai Branch,52 Institure of China Industries Group
Wuhan Iron and Steel Group Technology Center Inspection
Baoshan Iron & Steel Co., Ltd. Special Steel Branch
School of Chemistry and Chemical Engineering, Shandong University
Shandong Metallurgical Research Institute Test Center
Shandong Metallurgical Product Quality Supervision and Inspection Station
Jinan Iron and Steel Group Corporation
Product detail pictures:
Related Product Guide:
With our great management, potent technical capability and strict excellent handle procedure, we continue on to provide our customers with reputable top quality, reasonable selling prices and great providers. We purpose at becoming amongst your most trusted partners and earning your satisfaction for China Stainless Steel Is Made Up Of Suppliers – Reference Material For Chemical Testing – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Netherlands, El Salvador, Senegal, We solution have passed through the national skilled certification and been well received in our key industry. Our specialist engineering team will often be ready to serve you for consultation and feedback. We are able to also provide you with no cost samples to meet your needs. Best efforts will be produced to offer you the very best service and solutions. For anyone who is considering our business and solutions, please speak to us by sending us emails or get in touch with us right away. As a way to know our products and enterprise. lot more, you'll be able to come to our factory to find out it. We will constantly welcome guests from around the globe to our firm. o build enterprise. elations with us. Please really feel absolutely free to make contact with us for small business and we believe we will share the top trading practical experience with all our merchants.
By Cara from Brunei - 2017.02.28 14:19
Timely delivery, strict implementation of the contract provisions of the goods, encountered special circumstances, but also actively cooperate, a trustworthy company!
By Andrea from United Arab emirates - 2018.12.11 14:13