China Crms Manufacturers – Coke Series National And Industrial Reference Materials – Shandong Institute of Metallurgical Science
China Crms 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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To create more value for customers is our business philosophy; customer growing is our working chase for China Crms Manufacturers – Coke Series National And Industrial Reference Materials – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Russia, Vietnam, Jamaica, we have complete material production line, assembling line , quality control system, and the most importantly, we have many patents technology and experienced technical&production team, professional sales service team. With all those advantages, we are going to create"the reputable international brand of nylon monofilaments", and spreading our products to every corner of the world. We are keep moving and try our best to serve our customers.
By Cora from India - 2017.07.28 15:46
We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!
By Kevin Ellyson from Greek - 2018.12.30 10:21
