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Nkọwa dị mkpirikpi:

A na-eji CRM maka njikwa mma na nhazi nke ngwa nyocha na nyocha nke Iron Ore. 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

Chemical Analysis (1)
Chemical Analysis (2)

Ụkpụrụ akwadoro

Tebụl 1. Uru akwadoro maka ZBK 306 (Iberibe Mass %)

Nọmba

Ihe

Tfe

FeO

SiO2

Al2O3

CaO

MgO

ZBK 306

Ụkpụrụ akwadoro

65.66

0.54

1.92

1.64

0,056

0.102

Ejighi n'aka

0.17

0.06

0.04

0.04

0,006

0.008

Nọmba

Ihe

S

P

Mn

Ti

K2O

Na2O

ZBK 306

Ụkpụrụ akwadoro

0.022

0.060

0.135

0,048

0.018

0,007

Ejighi n'aka

0.001

0,002

0,003

0,002

0,002

0,002

Ụzọ nyocha

Tebụl 2. Ụzọ nyocha

Ihe mejupụtara

Usoro

Tfe

 Titanium(III) chloride mbelata potassium dichromate titration usoro

FeO

 Potassium dichromate titration usoroUsoro titrimetric potentiometric

SiO2

 Perchloric acid akpịrị ịkpọ nkụ usoro gravimetricUsoro silicomolybdic acha anụnụ anụnụ spectrophotometricICP-AES

Al2O3

 Usoro mgbagwoju anya titrationUsoro chrome azurol S photometricICP-AES

CaO

 ICP-AESAAS

MgO

 ICP-AESAAS

S

 Barium sulfate gravimetric usoroUsoro eombustion iodometric maka ikpebi ọdịnaya sọlfọ

P

 Bismuth phosphomolybdate blue spectrophotometric usoroICP-AES

Mn

 Potassium periodate usoro spectrophotometricICP-AESAAS

Ti

 Diantpyryl methane photometric usoroICP-AES

K2O

 ICP-AESAAS

Na2O

 ICP-AESAAS

Nnwale Homogeneity na nyocha kwụsie ike

Mmebi nke asambodo: Asambodo nke CRM a dị irè ruo Disemba 1, 2028.

Tebụl 3. Ụzọ maka nnwale homogeneity

Ihe mejupụtara

Ụzọ nyocha

Nlereanya kacha nta (g)

Tfe

Titanium(III) chloride mbelata potassium dichromate titration usoro

0.2

FeO

 Potassium dichromate titration usoro

0.2

SiO2, Al2O3, CaO, MgO

ICP-AES

0.1

Mn, Ti

ICP-AES

0.2

P, K2O, Na2O

ICP-AES

0.5

S

Usoro eombustion iodometric maka ikpebi ọdịnaya sọlfọ

0.5

Mbukota na Nchekwa

A na-akwakọba ihe ntụnyere akwụkwọ ikike na karama iko nwere mkpuchi rọba.Ibu net dị arọ bụ 70 g nke ọ bụla.A na-atụ aro idobe nkụ mgbe echekwara ya.Ekwesịrị ịsacha akwụkwọ ntụaka a gbaara agbarụ na 105 ℃ maka awa 1 tupu ejiri ya, wee wepụ ya ma mee ka ọ dị jụụ n'ime ụlọ.

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