Wholesale Bosch Crm Supplier –  Certified Reference Material  – Shandong Institute of Metallurgical Science

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Wholesale Bosch Crm Supplier – Certified Reference Material – Shandong Institute of Metallurgical Science

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We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our management ideal for Crm Companies , Crm System , Certified Reference Material Is 1 , We have been in operation for more than 10 years. We are dedicated to quality products and consumer support. We invite you to visit our company for a personalized tour and advanced business guidance.
Wholesale Bosch Crm 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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Wholesale Bosch Crm Supplier –  Certified Reference Material  – Shandong Institute of Metallurgical Science detail pictures

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Adhering into the basic principle of "quality, assistance, effectiveness and growth", we have attained trusts and praises from domestic and worldwide client for Wholesale Bosch Crm Supplier – Certified Reference Material – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Sao Paulo, Norwegian, Sydney, Our items are widely recognized and trusted by users and can meet continuously changing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
  • The product classification is very detailed that can be very accurate to meet our demand, a professional wholesaler.
    5 Stars By Kelly from Libya - 2018.11.04 10:32
    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 Cindy from Zimbabwe - 2018.06.09 12:42
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