China Anthracite Water Treatment Manufacturers – Reference Material For Chemical Testing – Shandong Institute of Metallurgical Science
China Anthracite Water Treatment Manufacturers – 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
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