NMIJ Certified Reference Materials (CRMs)

Inorganic standards group is supplying reference materials used for environmental or food analysis and for chemical speciation. If you need more detailed information about the CRMs, please access web page of “NMIJ”in the list of links.

High-purity Inorganic Materials

CRM No.	Description	Certificate / SDS
3009-a	Zinc	Certificate / SDS
3012-a	Tris(hydroxymethyl)aminomethane	Certificate / SDS
3681-a	Lead Isotopic Standard Solution	Certificate / SDS
5121-b	Electrolytic Conductivity Standard Solution - Aqueous Solution of Potassium Chloride (1 mol kg-1)	Certificate / SDS
5122-b	Electrolytic Conductivity Standard Solution - Aqueous Solution of Potassium Chloride (0.1 mol kg-1)	Certificate / SDS
5123-c	Electrolytic Conductivity Standard Solution - Aqueous Solution of Potassium Chloride (0.01 mol kg-1)	Certificate / SDS
5134-a	Secondary Electrolytic Conductivity Standard Solution - Aqueous Solution of Potassium Chloride (0.001 mol kg-1)	Certificate / SDS

For Environmental Analysis

CRM No.	Description	Certificate / SDS
7202-d	Trace elements in river water (elevated level)	Certificate / SDS
7303-a	Trace elements in lake sediment	Certificate / SDS
7204-a	Trace Elements in Seawater (Elevated Level)	Certificate / SDS

For Food Analysis

CRM No.	Description	Certificate / SDS
7405-b	Trace Elements and Arsenic Compounds in Hijiki Seaweed	Certificate / SDS
7505-a	Trace Elements in Tea Leaf Powder	Certificate / SDS
7511-a	Trace Elements in Soybean	Certificate / SDS
7512-a	Trace Elements in Milk Powder	Certificate / SDS
7531-a	Cadmium in Brown Rice Flour	Certificate / SDS
7533-a	Arsenic Compounds and Trace Elements in Brown Rice Flour	Certificate / SDS
7203-a	Tap Water for Heavy Metals	Certificate / SDS
7503-b	Arsenic Compounds and Trace Elements in White Rice Flour	Certificate / SDS

For Chemical Speciation

CRM No.	Description	Certificate / SDS
7901-a	Arsenobetaine Solution	Certificate / SDS

CRMs for Green Procurement

CRM No.	Description	Certificate / SDS
8112-a	Heavy metals (Cd, Cr, Hg, Pb) in ABS Resin - Low concentration pellet	Certificate / SDS
8115-a	Heavy Metals(Cd, Cr,Hg,Pb) in ABS Resin - Low Concentration Disk	Certificate / SDS