Reference Material Certificate Manufacturers – Reference Material For Environmental Testing – Shandong Institute of Metallurgical Science

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We thinks what clients think, the urgency of urgency to act from the interests of a purchaser position of principle, allowing for greater top quality, decrease processing costs, price ranges are much more reasonable, won the new and aged prospects the support and affirmation for Ref Material , Crm Bosch , Anthracite Rice Coal , Because we stay in this line about 10 years. We got best suppliers support on quality and price. And we had weed out suppliers with poor quality. Now many OEM factories cooperated with us too.

Reference Material Certificate 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
YSBC 15602-2006	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
YSBC 15602-2006	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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We emphasize enhancement and introduce new solutions into the market just about every year for Reference Material Certificate Manufacturers – Reference Material For Environmental Testing – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Honduras, Korea, Angola, We always insist on the management tenet of "Quality is First, Technology is Basis, Honesty and Innovation".We are able to develop new products continuously to a higher level to satisfy different needs of customers.

310 Stainless Steel