China 410 Stainless Steel Supplier – Reference Material For Coal Testing – Shandong Institute of Metallurgical Science

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China 410 Stainless Steel Supplier – Reference Material For Coal Testing – Shandong Institute of Metallurgical Science Detail:

Table 1. Certified Values for YSBC 28752-95 (Mass Fraction %)

Number	Elements	TFe	SiO₂	Al₂O₃	CaO	MgO	K₂O
YSBC 28752-95	Certified Values	64.66	4.34	1.80	0.011	0.027	0.082
YSBC 28752-95	Uncertainty	0.15	0.05	0.03	0.003	0.002	0.003
Number	Elements	Na₂O	TiO₂	Mn	S	P
YSBC 28752-95	Certified Values	0.01	0.23	0.007	0.0091	0.020
YSBC 28752-95	Uncertainty	0.01	0.02	0.001	0.0003	0.002

Table 2. Analysis Methods

Composition	Method
TFe	Titanium(III) chloride reduction potassium dichromate titration method
SiO₂	Perchloric acid dehydration gravimetric methodThe silicomolybdic blue spectrophotometric methodICP-AES
Al₂O₃	The chrome azurol S photometric method ICP-AES
CaO	ICP-AESAAS
MgO	ICP-AES AAS
K₂O	ICP-AES AAS
Na₂O	ICP-AES AAS
TiO₂	Diantipyrylmethane spectrophotometric method ICP-AES
Mn	Potassium periodate spectrophotometric method ICP-AESAAS
S	High frequency combustion infrared absorption methodBarium sulfate gravimetric methodCombustion iodometric method
P	Bismuth phosphomolybdenum blue photometryICP-AES

Expiration of certification: The certification of this CRM is valid until January 1, 2025.

Table 3. Methods for homogeneity testing

Composition	Analysis methods	Minimum sample (g)
TFe	Titanium(III) chloride reduction potassium dichromate titration method	0.2
SiO₂	The silicomolybdic blue spectrophotometric method	0.2
Al₂O₃、CaO、MgO、TiO₂、Mn、P	ICP-AES	0.2
K₂O、Na₂O	AAS	0.2
S	The Infrared absorption method	0.2

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Our enterprise since its inception, constantly regards product good quality as organization life, constantly improve production technology, strengthen merchandise high quality and continuously strengthen enterprise total good quality administration, in strict accordance with all the national standard ISO 9001:2000 for China 410 Stainless Steel Supplier – Reference Material For Coal Testing – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Juventus, Cologne, Palestine, We care about every steps of our services, from factory selection, product development & design, price negotiation, inspection, shipping to aftermarket. We have implemented a strict and complete quality control system, which ensures that each product can meet quality requirements of customers. Besides, all of our products have been strictly inspected before shipment. Your Success, Our Glory: Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us.

Calcined Anthracite