Weiyel has launched a range of standard reference materials for permanganate index (PMI) testing in water

Published：2026-04-29 10:12 Editor：Weiyel

Weiyel has launched a range of standard reference materials for permanganate index (PMI) testing in water, covering various concentration levels to provide comprehensive and compliant metrological support for PMI testing. Specific product information is shown in the table below.

产品编号	产品名称	标准值	产品规格
GBW(E)083815	Sodium oxalate titration standard solution	c(1/2Na₂C₂O₄)=0.1mol/L，c(Na₂C₂O₄)=0.05mol/L	50mL
BWZ8189-2016	Sodium oxalate titration standard solution	c(1/2Na₂C₂O₄)=0.01mol/L，c(Na₂C₂O₄)=0.005mol/L	500mL
GBW(E)086351	Potassium permanganate titration standard solution	c(1/5KMnO₄)=0.1mol/L，c(KMnO₄)=0.02mol/L	50mL
BWZ8111-2016	Potassium permanganate titration standard solution	c(1/5KMnO₄)=0.01mol/L，c(KMnO₄)=0.002mol/L	500mL
GBW(E)086349	Sodium thiosulfate titration standard solution	0.05mol/L	500mL
BWZ6062-2016	Reagents for permanganate index detection	Mix（3Components）	3pieces/sets
BWZ9051-2016	Reagents for permanganate index detection	Mix（4Components）	4pieces/sets
BWZ9050-2016	Reagents for permanganate index detection	Mix（6Components）	6pieces/sets

Weiyel has been an ISO 17034-certified supplier of reference standards since 2007. Our product offerings cover pesticide residues, food testing, metal analysis, and other fields. We sincerely invite global distributors to discuss partnerships. For product inquiries and further information, please contact us via email at info@weiyel.com or WhatsApp at +44 7421898692.

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