Remarks:

Intended Use:

CRM Certificate:  CRM0004_01_B_multianionic solution.pdf

Producer: (click for contact & purchase details)
 Institute of Petroleum and Natural Resources (Brazil)

This material is produced under a valid ISO 17034 accreditation

Remarks:

Intended Use:

CRM Certificate:  CRM0009_01_A_multianionic solution.pdf

Producer: (click for contact & purchase details)
 Institute of Petroleum and Natural Resources (Brazil)

This material is produced under a valid ISO 17034 accreditation

Remarks:
This CRM is aqueous solution of potassium chloride (0.001 mol kg-1). This CRM is in the form of a colorless and transparent liquid at ordinary temperature, and approximately 250 mL is kept in a glass bottle sealed in a plastic bag. This CRM should be kept in the glass bottle sealed in a plastic bag. This CRM should be stored in a clean place at a temperature between 15 °C and 30 °C.

Intended Use:
This CRM is intended for use in the calibration of electrolytic conductivity.

CRM Certificate:  NMIJ_CRM_5134a02_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)

Remarks:

Intended Use:

CRM Certificate:  CRM0008_01_metals multielement.pdf

Producer: (click for contact & purchase details)
 Institute of Petroleum and Natural Resources (Brazil)

This material is produced under a valid ISO 17034 accreditation

Remarks:
This CRM is aqueous solution of potassium chloride (1 mol kg-1). This CRM is in the form of a colorless and transparent liquid at ordinary temperature, and approximately 250 mL is kept in a glass bottle sealed in a plastic bag. This CRM should be kept in the glass bottle sealed in a plastic bag. This CRM should be stored in a clean place at a temperature between 15 °C to 30 °C.

Intended Use:
This CRM is intended for the calibration of electrolytic conductivity.

CRM Certificate:  NMIJ_CRM_5121b01_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)

Remarks:

Intended Use:

CRM Certificate:  CRM00012-01_pH 10.0.pdf

Producer: (click for contact & purchase details)
 Institute of Petroleum and Natural Resources (Brazil)

This material is produced under a valid ISO 17034 accreditation

Remarks:

Intended Use:

CRM Certificate:  CRM00010-01_pH 4.0.pdf

Producer: (click for contact & purchase details)
 Institute of Petroleum and Natural Resources (Brazil)

This material is produced under a valid ISO 17034 accreditation

Remarks:

Intended Use:

CRM Certificate:  CRM00011-01_pH 6.8.pdf

Producer: (click for contact & purchase details)
 Institute of Petroleum and Natural Resources (Brazil)

This material is produced under a valid ISO 17034 accreditation

Remarks:
Wheat flour was cleaned with water milled at 18 - 20ºC and 60% humidity. Sieved twice to a particle size of 140µm. The material was sub-sampled into 30 mL amber glass bottle with tamper-evident screw caps.

Intended Use:
Validation of methods for the determination of selenium and selenomethionine in food materials and dietary supplments.

CRM Certificate:  ERM-BC210a pdf.pdf

Producer: (click for contact & purchase details)
 LGC Limited, (United Kingdom)

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)

Remarks:
The powder form of a commercially-available food supplement of chromium-enriched yeast with a certified value for total chromium (305.5 mg/kg) and an indicative value for Cr(III) (302 mg/kg) Sub-sampled as 7 g units into 15 mL amber glass bottle with tamper-evident screw caps.

Intended Use:
Validation and performance monitoring of methods for the quantification of total chromium yeast.

CRM Certificate:  ERM-BD213a pdf.pdf

Producer: (click for contact & purchase details)
 LGC Limited, (United Kingdom)

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)