Reference Material YeMalahle Testing

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Tsanangudzo Pfupi

Iyo CRM inoshandiswa pakutonga kwemhando uye kuenzanisa midziyo yekuongorora mukuongororwa kweIron Ore.Inoshandiswawo pakuongorora nekuona chokwadi chenzira dzekuongorora.Iyo CRM inogona kushandiswa kuendesa kukosha kwakayerwa.

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Certified Values

Tafura 1. Certified Values for YSBC 28752-95 (Mass Fraction %)

Number	Elements	TFe	SiO₂	Al₂O₃	CaO	MgO	K₂O
YSBC 28752-95	Certified Values	64.66	4.34	1.80	0.011	0.027	0.082
YSBC 28752-95	Kusava nechokwadi	0.15	0.05	0.03	0.003	0.002	0.003
Number	Elements	Na₂O	TiO₂	Mn	S	P
YSBC 28752-95	Certified Values	0.01	0.23	0.007	0.0091	0.020
YSBC 28752-95	Kusava nechokwadi	0.01	0.02	0.001	0.0003	0.002

Analysis Nzira

Tafura 2. Nzira dzekuongorora

Composition	Nzira
TFe	Titanium(III) chloride kuderedza potassium dichromate titration nzira
SiO₂	Perchloric acid dehydration gravimetric nziraIyo silicomolybdic yebhuruu spectrophotometric nziraICP-AES
Al₂O₃	Iyo chrome azurol S photometric nziraICP-AES
CaO	ICP-AESAAS
MgO	ICP-AESAAS
K₂O	ICP-AESAAS
Na₂O	ICP-AESAAS
TiO₂	Diantipyrylmethane spectrophotometric nziraICP-AES
Mn	Potassium periodate spectrophotometric nziraICP-AESAAS
S	High frequency combustion infrared absorption nziraBarium sulfate gravimetric nziraKupisa iodometric nzira
P	Bismuth phosphomolybdenum yebhuruu photometryICP-AES

Homogeneity Test uye Kugadzikana Kuongorora

Kupera kwechitupa: Chitupa cheCRM chinoshanda kusvika Ndira 1, 2025.

Tafura 3. Nzira dzekuongorora homogeneity

Composition	Analysis nzira	Minimum sample (g)
TFe	Titanium(III) chloride kuderedza potassium dichromate titration nzira	0.2
SiO₂	Iyo silicomolybdic yebhuruu spectrophotometric nzira	0.2
Al₂O₃,CaO,MgO,TiO₂,Mn, P	ICP-AES	0.2
K₂O, Na₂O	AAS	0.2
S	Iyo infrared absorption nzira	0.2