Crm Call Center Factory –  Certified Reference Material  – Shandong Institute of Metallurgical Science

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Crm Call Center Factory – Certified Reference Material – Shandong Institute of Metallurgical Science

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Our target is to consolidate and improve the quality and service of existing products, meanwhile constantly develop new products to meet different customers' demands for Crm Features , Erm Certified Reference Material , Invar Metal , Currently, we are looking forward to even greater cooperation with overseas customers based on mutual benefits. Please feel free to contact us for more details.
Crm Call Center Factory – 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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Crm Call Center Factory –  Certified Reference Material  – Shandong Institute of Metallurgical Science detail pictures

Crm Call Center Factory –  Certified Reference Material  – Shandong Institute of Metallurgical Science detail pictures


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To be able to ideal satisfy client's requirements, all of our operations are strictly performed in line with our motto "High High-quality, Competitive Price tag, Fast Service" for Crm Call Center Factory – Certified Reference Material – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Somalia, Botswana, Singapore, Till now, the goods list has been updated regularly and attracted clients from around the globe. Detailed facts is often obtained in our web-site and you'll be served with premium quality consultant service by our after-sale group. They are going to help you get comprehensive acknowledge about our products and make a satisfied negotiation. Company go to to our factory in Brazil is also welcome at any time. Hope to obtain your inquiries for any pleased co-operation.
  • We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.
    5 Stars By Candy from Doha - 2017.08.21 14:13
    Goods just received, we are very satisfied, a very good supplier, hope to make persistent efforts to do better.
    5 Stars By Myra from Puerto Rico - 2018.06.30 17:29
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