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Certified Reference Material

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Description:

CRM pro qualitate et calibratione instrumentorum analyticorum in analysi ferrei Aes, adhibita est, adhibita etiam ad aestimationem et verificationem accurationis methodorum analyticorum.CRM adhiberi potest ad valorem mensurae transferendum.


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Product introduction

Chemical Analysis (1)
Chemical Analysis (2)

Certified Pretio

Table 1. Pretio Certified pro ZBK 306 (Missa Fraction %)

Numerus

Elementa

TFe

FeO

SiO'2

Al2O3

CaO'

MgO

ZBK 306

Certified Pretio

65.66

0.54

1.92

1.64

0.093

0.102

Incerta

0.17

0.06

0.04

0.04

0.006

0.008

Numerus

Elementa

S

P

Mn

Ti

K2O

Na2O

ZBK 306

Certified Pretio

0.022

0.093

0.135

0.041

0.018

0.007

Incerta

0.001

0.002

0.003

0.002

0.002

0.002

Analysis Methodi

Table 2. Analysis methodi

Compositio

Methodus

TFe

 Titanium (III) reductio chloridi potassii dichromatis methodi titrationis

FeO

 Potassium dichromate titratione methodiDe methodo titrimetrica potentiometrica

SiO'2

 Acidum perchloricum siccitatis gravimetricDe hyacintho spectrophotometrica methodo silicomolybdicaICP-AES

Al2O3

 Titratio complexometrica methodusChrome azurol S methodus photometricaICP-AES

CaO'

 ICP-AESASS

MgO

 ICP-AESASS

S

 Barium sulfate methodus gravimetricaCombustio methodi iodometrici ad definitionem contentorum sulphuris

P

 Bismuth phosphomolybdata blue methodus spectrophotometricaICP-AES

Mn

 Potassium periodatum spectrophotometricum methodumICP-AESASS

Ti

 Diantipyryl methanum photometricum methodumICP-AES

K2O

 ICP-AESASS

Na2O

 ICP-AESASS

Homogeneitas Expertus et Stabilitas Inspectionis

Expirata certificatione: Certificatio huius CRM valet usque ad diem 1 Decembris anni 2028 .

Mensa 3. Methodi homogeneitatis probatio

Compositio

Analysis methodi

Minimum specimen (g)

TFe

Titanium (III) reductio chloridi potassii dichromatis methodi titrationis

0.2

FeO

 Potassium dichromate titratione methodi

0.2

SiO'2, Al2O3, CaO, MgO

ICP-AES

0.1

Mn, Ti

ICP-AES

0.2

P, K2O, Na2O

ICP-AES

0.5

S

Combustio methodi iodometrici ad definitionem contentorum sulphuris

0.5

Stipare et at

Materia relativa certificata referta est in utribus vitreis cum operculis plasticis.Pondere rete est unumquodque 70 g.Propositum est conservare siccitatem conditam.Materia relativa certificata ante usum 105℃ per 1 horae exsiccari debet, deinde eximenda et refrigerata ad gazophylacium temperatura.

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