China Low Alloy Steel Manufacturer – Reference Material For Environmental Testing – Shandong Institute of Metallurgical Science
China Low Alloy Steel Manufacturer – Reference Material For Environmental Testing – Shandong Institute of Metallurgical Science Detail:
Table 1. Certified Values for YSBC 15602-2006 (Mass Fraction %)
|
Number |
Elements |
Ti |
C |
Si |
Mn |
P |
S |
Cr |
|
YSBC 15602-2006 |
Certified Values |
70.02 |
0.057 |
1.47 |
0.106 |
0.0071 |
0.0047 |
0.039 |
|
Uncertainty |
0.17 |
0.003 |
0.03 |
0.004 |
0.0005 |
0.0006 |
0.003 |
|
|
Number |
Elements |
Ni |
Mo |
V |
Cu |
Al |
Fe |
|
|
YSBC 15602-2006 |
Certified Values |
0.29 |
0.028 |
0.011 |
0.037 |
0.30 |
26.57 |
|
|
Uncertainty |
0.02 |
0.003 |
0.002 |
0.003 |
0.02 |
0.13 |
Table 2. Analysis Methods
|
Composition |
Method |
|
Ti |
The Ammonium ferric sulfate titration method |
|
C |
The Infrared absorption method |
|
Si |
ICP-AES Perchloric acid dehydration gravimetric method The silicomolybdic blue spectrophotometric method The Sulphuric acid dehydration gravimetric method |
|
Mn |
Periodate photometric method AAS ICP-AES |
|
P |
Molybdobismuthylphosphoric blue spectrophotometric method Molybdenum blue spectrophotometric method Molybdenum blue photometry for extraction by butyl acetate Extraction of Molybdenum Blue from N-Butyl and Alcohol-Third Chloromethane ICP-AES |
|
S |
The Infrared absorption method |
|
Cr |
ICP-AES AAS Diphenyl carbon acyl dihydrazide photometry |
|
Ni |
ICP-AES AAS Budione oxime photometry |
|
Mo |
Rhodanate-butyl acetate extraction photometryd ICP-AES |
|
V |
Tantalum reagent extraction spectrophotometric method ICP-AES |
|
Cu |
ICP-AES AAS The DDTC photometric method |
|
Al |
ICP-AES EDTA titrimetric method The chrome azurol S photometric method |
|
Fe |
ICP-AES Dichromate titration method |
Expiration of certification: The certification of this CRM is valid until January 1, 2026.
Table 3. Methods for homogeneity testing
|
Composition |
Analysis methods |
Minimum sample (g) |
|
Ti |
The Ammonium ferric sulfate titration method |
0.2 |
|
C、S |
The Infrared absorption method |
0.2 |
|
Mn、P、Cr、Ni、Mo、V、Cu、Al |
ICP-AES |
0.1 |
|
Si |
Perchloric acid dehydration gravimetric method |
0.5 |
|
Fe |
Dichromate titration method |
0.2 |
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.
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That has a positive and progressive attitude to customer's interest, our organization consistently improves our products quality to satisfy the demands of shoppers and further focuses on safety, reliability, environmental specifications, and innovation of China Low Alloy Steel Manufacturer – Reference Material For Environmental Testing – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Mexico, Panama, Seychelles, The working experience in the field has helped us forged a strong relations with customers and partners both in domestic and international market. For years, our products have been exported to more than 15 countries in the world and have been widely used by customers.
By Kim from Paraguay - 2017.02.14 13:19
The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.
By Evelyn from Poland - 2017.04.18 16:45
