Remarks:
This CRM is seawater collected from the nutrient maximum layer in the Pacific Ocean. This CRM is in the form of a colorless and transparent liquid at ordinary temperature, and ca. 90 mL is kept in a polypropylene bottle. The bottle is sealed in an aluminum-laminated plastic bag. This CRM should be kept in the polypropylene bottle sealed in the aluminum-laminated plastic bag. This CRM should be stored in a clean place at temperatures of 5 °C to 30 °C and protected from light.

Intended Use:
This CRM is intended for use in controlling the precision of analysis and validating analytical methods and instruments during analysis of nutrients in seawater.

CRM Certificate:  NMIJ_CRM_7603a_en.pdf

Producer: (click for contact & purchase details)
 National Metrology Institute of Japan (NMIJ), AIST, (Japan)

This material is produced under a valid ISO 17034 accreditation

Remarks:
This CRM is polystyrene containing DBDE and in the form of a clear and colorless disk at room temperature. The diameter, thickness and mass of the disk are about 30 mm, 2 mm and 1.5 g, respectively. Five of the disks are packed in an aluminum-laminated plastic bag with argon gas. This CRM should be kept in an aluminum-laminated plastic bag and should be stored in a dark place at temperature of 5 °C to 35 °C. Two polystyrene disks (no addition of polybrominated diphenyl ethers) are additionally attached to NMIJ CRM 8110-b.

Intended Use:
This CRM is intended for use in the quality control of analysis and the validation of analytical methods or instruments, for the analysis of decabromodiphenyl ether (DBDE) in polystyrene.

CRM Certificate:  NMIJ_CRM_8110b_en.pdf

Producer: (click for contact & purchase details)
 National Metrology Institute of Japan (NMIJ), AIST, (Japan)

This material is produced under a valid ISO 17034 accreditation

Remarks:
This CRM is ABS resin containing potassium perfluorooctanesulfonate, potassium perfluorobutanesulfonate, sodium perfluorooctanoate, dechlorane plus and tetrabromobisphenol A, and is in the form of a plate about 20 mm square, a thickness of 2 mm and a mass of 1.8 g. Three plates are packed in an aluminum-layered bag. This CRM should be stored at a temperature between 15 °C and 25 °C and shielded from light.

Intended Use:
This CRM is intended for use in controlling the precision of analysis and for validating analytical methods and instruments during quantification of perfluorooctanesulfonic acid (PFOS) and its salts in ABS resin and similar materials.

CRM Certificate:  NMIJ_CRM_8155a_en.pdf

Producer: (click for contact & purchase details)
 National Metrology Institute of Japan (NMIJ), AIST, (Japan)

This material is produced under a valid ISO 17034 accreditation

Remarks:
This CRM is in the form of a grayish white pellets of polyvinyl chloride and a 10 g in net mass is kept in an amber glass bottle. The amber glass bottle is sealed with argon gas in an aluminum-layered bag. This CRM should be stored at temperatures of 15 °C to 35 °C or less and protected from light. Do not contact this CRM to other plastics such as a bottle cap for long period. The concentrations of Dimethyl phthalate (CAS No. 131-11-3): 95 (mg/kg), Diisobutyl phthalate (CAS No. 84-69-5): 88 (mg/kg), Diheptyl phthalate (CAS NO. 3648-21-3) : 93 (mg/kg) and Dioctyl phthalate (CAS No. 117-84-0): 97 (mg/kg) are also indicated as technical information in the certificate.

Intended Use:
This CRM is intended for use in controlling the precision of analysis and for validating analytical methods and instruments during quantification of phthalates in polyvinyl chloride resin and similar materials.

CRM Certificate:  NMIJ_CRM_8156a_en.pdf

Producer: (click for contact & purchase details)
 National Metrology Institute of Japan (NMIJ), AIST, (Japan)

This material is produced under a valid ISO 17034 accreditation

Remarks:
The form of this CRM is yellow liquid at room temperature. Approximately 0.5 mL of material was bottled in the plastic vial, and the vial was kept in an aluminum-laminated bag. This CRM should be kept under -80 °C and protected from light.

Intended Use:
This CRM is intended primarily for use in calibration of analytical instrument and evaluating the accuracy and validation of analytical procedures or instruments for the determination of aldosterone, cortisol and testosterone in human serum by instrumental analysis.

CRM Certificate:  6403a_en.pdf

Producer: (click for contact & purchase details)
 National Metrology Institute of Japan (NMIJ), AIST, (Japan)

This material is produced under a valid ISO 17034 accreditation | This material is linked to statutory activities as a national metrology institute (NMI) / a designated institute (DI)