China Using Reference Materials Factory – Coke Series National And Industrial Reference Materials – Shandong Institute of Metallurgical Science
China Using Reference Materials Factory – 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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