Gas Reference Materials Supplier –  Reference Material For Coal Testing  – Shandong Institute of Metallurgical Science

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Gas Reference Materials Supplier – Reference Material For Coal Testing – Shandong Institute of Metallurgical Science

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Gas Reference Materials 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

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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Gas Reference Materials Supplier –  Reference Material For Coal Testing  – Shandong Institute of Metallurgical Science detail pictures

Gas Reference Materials Supplier –  Reference Material For Coal Testing  – Shandong Institute of Metallurgical Science detail pictures


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With the "Client-Oriented" business philosophy, a rigorous quality control system, advanced manufacturing equipment and a strong R&D team, we always provide high quality products, excellent services and competitive prices for Gas Reference Materials Supplier – Reference Material For Coal Testing – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: panama, UK, Iraq, We provide good quality but unbeatable low price and the best service. Welcome to post your samples and color ring to us .We will produce the goods according to your request. If you are interested in any products we offer, please feel free to contact us directly by mail, fax, telephone or internet. We are here to answer your questions from Monday to Saturday and looking forward to cooperating with you.
  • A good manufacturers, we have cooperated twice, good quality and good service attitude.
    5 Stars By Marjorie from Peru - 2018.09.16 11:31
    Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
    5 Stars By Frank from South Africa - 2018.09.23 17:37
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