China Crm Consultancy Manufacturers – Reference Material For Environmental Testing – Shandong Institute of Metallurgical Science
China Crm Consultancy Manufacturers – 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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Our pursuit and firm aim should be to "Always fulfill our buyer requirements". We carry on to produce and structure top-quality excellent solutions for equally our aged and new consumers and accomplish a win-win prospect for our consumers as well as us for China Crm Consultancy Manufacturers – Reference Material For Environmental Testing – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: El Salvador, Turin, Slovakia, Since the establishment of our company, we've realized the importance of providing good quality goods and the best before-sales and after-sales services. Most problems between global suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question points they do not understand. We break down these barriers to ensure you get what you want to the level you expect, when you want it.
By Matthew Tobias from Angola - 2018.11.11 19:52
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 Elaine from Marseille - 2017.04.28 15:45
