Wholesale Calcined Anthracite Manufacturers –  Reference Material For Coal Testing  – Shandong Institute of Metallurgical Science

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Wholesale Calcined Anthracite Manufacturers – Reference Material For Coal Testing – Shandong Institute of Metallurgical Science

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"Control the standard by the details, show the toughness by quality". Our firm has strived to establish a highly efficient and stable workers workforce and explored an effective high-quality management system for Regional Reference Standard Laboratory , Analytical Reference Standards , High Carbon Stainless Steel , We are looking forward to cooperating with all customers from at home and abroad. Moreover, customer satisfaction is our eternal pursuit.
Wholesale Calcined Anthracite Manufacturers – 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

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

 

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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Wholesale Calcined Anthracite Manufacturers –  Reference Material For Coal Testing  – Shandong Institute of Metallurgical Science detail pictures

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