303 Stainless Steel Manufacturers – Coke Series National And Industrial Reference Materials – Shandong Institute of Metallurgical Science
303 Stainless Steel Manufacturers – Coke Series National And Industrial Reference Materials – Shandong Institute of Metallurgical Science Detail:
Table 1. Certified Values for GSB 03-2022-2006 (Mass Fraction %)
|
Number |
Elements |
TFe |
FeO |
SiO2 |
Al2O3 |
CaO |
MgO |
S |
|
GSB 03-2022-2006 |
Certified Values |
61.53 |
0.24 |
3.43 |
2.12 |
0.118 |
0.109 |
0.038 |
|
Uncertainty |
0.10 |
0.01 |
0.04 |
0.05 |
0.007 |
0.005 |
0.002 |
|
|
Number |
Elements |
P |
Mn |
Ti |
K2O |
Na2O |
Cu |
Ni |
|
GSB 03-2022-2006 |
Certified Values |
0.068 |
0.276 |
0.052 |
0.026 |
0.034 |
0.0014 |
0.0027 |
|
Uncertainty |
0.002 |
0.005 |
0.002 |
0.003 |
0.003 |
0.0002 |
0.0003. |
|
|
Number |
Elements |
Co |
As |
Pb |
Zn |
Cr |
|
|
|
GSB 03-2022-2006 |
Certified Values |
0.0009 |
0.0011 |
0.0008 |
0.0020 |
0.0054 |
|
|
|
Uncertainty |
0.0001 |
0.0002 |
0.0001 |
0.0003 |
0.0004 |
|
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 Sulfosalicylic acid spectrophotometric method Potentiometric titration method |
|
SiO2 |
Perchloric acid dehydration gravimetric method The silicomolybdic blue spectrophotometric method ICP-AES |
|
CaO |
AAS ICP-AES |
|
MgO |
AAS ICP-AES |
|
Al2O3 |
EDTA titrimetric 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 Phosphovanoclonoiybeate molecular absorption spectromrtric method Bismuth phosphomolybdenum blue photometry ICP-AES |
|
S |
High frequency combustion infrared absorption method Barium sulfate gravimetric 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 |
Silver diethyldithiocarbamate spectrophotometry Arseno molybdenum blue spectrophotometric method after the extraction separation GFAAS HGAAS ICP-AES |
|
Pb |
GFAAS AAS ICP-AES ICP-MS |
|
Zn |
ICP-AES AAS |
|
Cr |
AAS GFAAS ICP-AES |
The certified reference material is packed in glass bottles with plastic covers. The net weight is 50g each. It is suggested to keep dryness when stored. The certified reference material should be dried at 105℃ for 1 hour before use, then it should be taken out and cooled to room temperature.
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All we do is usually connected with our tenet " Customer to start with, Rely on initial, devoting on the food packaging and environmental protection for 303 Stainless Steel Manufacturers – Coke Series National And Industrial Reference Materials – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Bulgaria, Swedish, Holland, Our aim is to help customers to make more profits and realize their goals. Through a lot of hard work, we establish a long-term business relationship with so many customers all around the world, and achieve win-win success. We will continue to do our best effort to service and satisfy you! Sincerely welcome you to join us!
By Linda from Mozambique - 2018.12.10 19:03
This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately， we successfully completed the procurement tasks.
By Elsa from Kenya - 2017.09.28 18:29
