Reference Material For Instrument Calibration

ngwaahịa

Ihe nrụtụ aka maka nhazi akụrụngwa

Nkọwa dị mkpirikpi:

A na-eji CRM maka njikwa mma na nhazi nke ngwa nyocha na nyocha nke ferrosilicon.A na-ejikwa ya maka nyocha na nkwenye nke izi ezi nke ụzọ nyocha.Enwere ike iji CRM maka ịnyefe uru a tụrụ atụ.


Nkọwa ngwaahịa

Mkpado ngwaahịa

Ntinye ngwaahịa

Calibration (1)
Calibration (2)

Ụkpụrụ akwadoro

Tebụl 1. Uru akwadoro maka YSBC 28604a-2013 (Iberibe Mass %)

Nọmba

Ihe

C

S

Si

Mn

P

Fe

Al

YSBC

28604a-2013

Ụkpụrụ akwadoro

0,050

0,002

69.96

0,256

0.023

26.57

1.26

Ejighi n'aka

0,003

0.001

0.10

0.004

0.001

0.06

0.02

Nọmba

Ihe

Ca

Cu

Ni

Cr

Ti

Mg  

YSBC

28604a-2013

Ụkpụrụ akwadoro

0,649

0.013

0.010

0.049

0.107

0.019

 

Ejighi n'aka

0,005

0.001

0.001

0,002

0.004

0.001

 

Ụzọ nyocha

Tebụl 2. Usoro nyocha

Ihe mejupụtara

Usoro

C

Usoro nnabata infrared

Gas-volumetric usoro

S

Usoro nnabata infrared

Usoro iodometric combustion

Si

Perchloric acid akpịrị ịkpọ nkụ usoro gravimetric

Silicon potassium fluoride usoro titrimetric

Mn

Usoro photometric oge

ICP-AES

P

Bismuth phosphomolybdate blue spectrophotometric usoro

Antimony phosphomolybdate blue spectrophotometric usoro

ICP-AES

Fe

Potassium dichromate titration usoro

Al

EDTA titrimetric usoro

Usoro chrome azurol S photometric

ICP-AES

Ca

ICP-AES

AAS

Cu

Usoro spectrophotometric BCO

ICP-AES

AAS

Ni

Dimetylglioxime spectrophotometric usoro

ICP-AES

Cr

Diphenyl carbon acyl dihydrazide fotometry

ICP-AES

Ti

Diantpyryl methane photometric usoro

ICP-AES

Mg

ICP-AES

AAS

Nnwale Homogeneity na nyocha kwụsie ike

Mmebi nke asambodo: Asambodo nke CRM a dị irè ruo Nọvemba 1, 2023.

Tebụl 3. Ụzọ maka nnwale homogeneity

Ihe mejupụtara

Ụzọ nyocha

Nlereanya kacha nta (g)

Si

Silicon potassium fluoride usoro titrimetric

0.1

C, S

Usoro nnabata infrared

0.2

Mn,P, Al,Ca,Cu,Ni,Cr,Ti,Mg

ICP-AES

0.2

Fe

Potassium dichromate titration usoro

0.2

Mbukota na Nchekwa

A na-akwakọba ihe ntụnyere akwụkwọ ikike na karama iko nwere mkpuchi rọba.Ibu net dị 50 g nke ọ bụla.A na-atụ aro idobe nkụ mgbe echekwara ya.

Ụlọ nyocha

Aha: Shandong Institute of Metallurgical Science Co., Ltd.

Adreesị: 66 Jiefang East Road, Jinan, Shandong, China;

Weebụsaịtị:www.cncrms.com

Ime:cassyb@126.com

New standard coal1

Onye kwadoro: Gao Hongji

Onye isi ụlọ nyocha

Ụbọchị: Disemba 1, 2013


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