Certified Reference Material Is 1 Factory – Reference Material For Instrument Calibration – Shandong Institute of Metallurgical Science

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Our concentrate on should be to consolidate and enhance the quality and service of present products, meanwhile consistently produce new products to meet unique customers' demands for Astm Reference Fuel C , 316 Stainless Steel , Anthracite Nut Coal , Adhering to your small business principle of mutual positive aspects, we have now won superior popularity among our customers because of our best solutions, excellent products and competitive selling prices. We warmly welcome clients from your home and overseas to cooperate with us for common achievement.

Certified Reference Material Is 1 Factory – Reference Material For Instrument Calibration – Shandong Institute of Metallurgical Science Detail:

Table 1. Certified Values for YSBC 28604a-2013 (Mass Fraction %)

Number	Elements	C	S	Si	Mn	P	Fe	Al
YSBC 28604a-2013	Certified Values	0.050	0.002	69.96	0.256	0.023	26.57	1.26
YSBC 28604a-2013	Uncertainty	0.003	0.001	0.10	0.004	0.001	0.06	0.02
Number	Elements	Ca	Cu	Ni	Cr	Ti	Mg
YSBC 28604a-2013	Certified Values	0.649	0.013	0.010	0.049	0.107	0.019
YSBC 28604a-2013	Uncertainty	0.005	0.001	0.001	0.002	0.004	0.001

Table 2. Analysis Methods

Composition	Method
C	The Infrared absorption method Gas-volumetric method
S	The Infrared absorption method Combustion iodometric method
Si	Perchloric acid dehydration gravimetric method Silicon potassium fluoride titrimetric method
Mn	Periodate photometric method ICP-AES
P	Bismuth phosphomolybdate blue spectrophotometric method Antimony phosphomolybdate blue spectrophotometric method ICP-AES
Fe	Potassium dichromate titration method
Al	EDTA titrimetric method The chrome azurol S photometric method ICP-AES
Ca	ICP-AES AAS
Cu	BCO spectrophotometric method ICP-AES AAS
Ni	Dimetylglyoxime spectrophotometric method ICP-AES
Cr	Diphenyl carbon acyl dihydrazide photometry ICP-AES
Ti	Diantipyryl methane photometric method ICP-AES
Mg	ICP-AES AAS

Expiration of certification: The certification of this CRM is valid until November 1, 2023.

Table 3. Methods for homogeneity testing

Composition	Analysis methods	Minimum sample (g)
Si	Silicon potassium fluoride titrimetric method	0.1
C、S	The Infrared absorption method	0.2
Mn、P、Al、Ca、Cu、Ni、Cr、Ti、Mg	ICP-AES	0.2
Fe	Potassium dichromate titration method	0.2

The certified reference material is packed in glass bottles with plastic covers. The net weight is 50 g each. It is suggested to keep dryness when stored.

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With a positive and progressive attitude to customer's interest, our company continuously improves our product quality to meet the needs of customers and further focuses on safety, reliability, environmental requirements, and innovation of Certified Reference Material Is 1 Factory – Reference Material For Instrument Calibration – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: America, Belgium, Indonesia, We have now 48 provincial agencies in the country. We also have stable cooperation with several international trading companies. They place order with us and export solutions to other countries. We expect to cooperate with you to develop a larger market.

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