China Crm Cloud Supplier – Certified Reference Material – Shandong Institute of Metallurgical Science

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China Crm Cloud Supplier – Certified Reference Material – Shandong Institute of Metallurgical Science

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  • China Crm Cloud Supplier – Certified Reference Material – Shandong Institute of Metallurgical Science
  • China Crm Cloud Supplier – Certified Reference Material – Shandong Institute of Metallurgical Science

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Innovation, excellent and reliability are the core values of our business. These principles today extra than ever form the basis of our success as an internationally active mid-size company for Anthracite Hard Coal , Ref Material , Optical Crm , We sincerely hope to serve you and your business with a good start. If there is anything we can do for You, we shall be more than pleased to do so. Welcome to our factory for visit.
China Crm Cloud Supplier – Certified Reference Material – Shandong Institute of Metallurgical Science Detail:

Table 1. Certified Values for ZBK 306 (Mass Fraction %)

Number

Elements

TFe

FeO

SiO2

Al2O3

CaO

MgO

ZBK 306

Certified Values

65.66

0.54

1.92

1.64

0.056

0.102

Uncertainty

0.17

0.06

0.04

0.04

0.006

0.008

Number

Elements

S

P

Mn

Ti

K2O

Na2O

ZBK 306

Certified Values

0.022

0.060

0.135

0.048

0.018

0.007

Uncertainty

0.001

0.002

0.003

0.002

0.002

0.002

Table 2. Analysis methods

Composition

Method

TFe

 Titanium(III) chloride reduction potassium dichromate titration method

FeO

 Potassium dichromate titration methodThe potentiometric titrimetric method

SiO2

 Perchloric acid dehydration gravimetric methodThe silicomolybdic blue spectrophotometric methodICP-AES

Al2O3

 Complexometric titration methodThe chrome azurol S photometric methodICP-AES

CaO

 ICP-AESAAS

MgO

 ICP-AESAAS

S

 Barium sulfate gravimetric methodThe eombustion iodometric method for the determination of sulfur content

P

 Bismuth phosphomolybdate blue spectrophotometric methodICP-AES

Mn

 Potassium periodate spectrophotometric methodICP-AESAAS

Ti

 Diantipyryl methane photometric methodICP-AES

K2O

 ICP-AES AAS

Na2O

 ICP-AES AAS

Expiration of certification: The certification of this CRM is valid until December 1, 2028.

Table 3. Methods for homogeneity testing

Composition

Analysis methods

Minimum sample (g)

TFe

Titanium(III) chloride reduction potassium dichromate titration method

0.2

FeO

 Potassium dichromate titration method

0.2

SiO2, Al2O3, CaO, MgO

ICP-AES

0.1

Mn, Ti

ICP-AES

0.2

P, K2O, Na2O

ICP-AES

0.5

S

The eombustion iodometric method for the determination of sulfur content

0.5

The certified reference material is packed in glass bottles with plastic covers. The net weight is 70 g each. It is suggested to keep dryness when stored. The certified reference material should be dried at 105℃ for 1 hour before use, then it should be taken out and cooled to room temperature.

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Our primary purpose is to give our shoppers a serious and responsible company relationship, giving personalized attention to all of them for China Crm Cloud Supplier – Certified Reference Material – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Algeria, Vietnam, Lithuania, We have to continue to uphold the "quality, comprehensive, efficient" business philosophy of "honest, responsible, innovative"spirit of service, abide by the contract and abide by reputation, first-class products and improve service welcome overseas customers patrons.
    • This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.
    5 Stars By Brook from Rwanda - 2018.06.19 10:42
    We are old friends, the company's product quality has been always very good and this time the price is also very cheap.
    5 Stars By Amelia from Mauritania - 2018.10.09 19:07
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