Remarks:
The material is a mixture of approximately 500 mL ultrapure water and sodium hydrogen carbonate (NaHCO3)/sodium carbonate (Na2CO3) in high density polyethylene (HDPE). Additional information is given in the certification report. The material should be stored at (+18 ± 5) °C temperature range. For more information https://rm.ume.tubitak.gov.tr/urun_en.aspx?u=BgqkjVaKQGSZ9N4hEb1qkA==

Intended Use:
This material can be used for calibration and control of pH meter.

CRM Certificate:  ume_crm_1403_certificate.pdf

Producer: (click for contact & purchase details)
 TÜBİTAK Ulusal Metroloji Enstitüsü (National Metrology Institute) (Turkey)

This material is produced under a valid ISO 17034 accreditation

Remarks:
The material is a mixture of approximately 500 mL ultrapure water and disodium hydrogen ortophosphate (Na2HPO4)/potassium dihydrogen ortophosphate (KH2PO4) in high density polyethylene (HDPE). Additional information is given in the certification report.The material should be stored at (+18 ± 5) °C temperature range. For more information https://rm.ume.tubitak.gov.tr/urun_en.aspx?u=4vCWtOgeVEoscgqlA27/mw==

Intended Use:
This material can be used for calibration and control of pH meter.

CRM Certificate:  ume_crm_1402_certificate.pdf

Producer: (click for contact & purchase details)
 TÜBİTAK Ulusal Metroloji Enstitüsü (National Metrology Institute) (Turkey)

This material is produced under a valid ISO 17034 accreditation

Remarks:
The material is a mixture of approximately 500 mL ultrapure water and potassium hydrogen phthalate in high density polyethylene (HDPE). Additional information is given in the certification report.The material should be stored at (+18 ± 5) °C temperature range. For more information https://rm.ume.tubitak.gov.tr/urun_en.aspx?u=jqC5I4Ey5/5VnZTodzGnAw==

Intended Use:
This material can be used for calibration and control of pH meter.

CRM Certificate:  ume_crm_1401_certificate.pdf

Producer: (click for contact & purchase details)
 TÜBİTAK Ulusal Metroloji Enstitüsü (National Metrology Institute) (Turkey)

This material is produced under a valid ISO 17034 accreditation

Remarks:
A unit contains approximately 2 gram of honey (adulterated) in 5 ml amber glass vial with screw cap. Additional information about the material and the certification process is presented in the certification report.Material should be stored in dry conditions at (+20 ± 5) °C.For more information https://rm.ume.tubitak.gov.tr/urun_en.aspx?u=XiDjqebGZQqrmyN/2QPSKA==

Intended Use:
This material is intended to be used for method validation, quality control and correction factor determination in delta13C measurements by EA-IRMS method.

CRM Certificate:  ume_crm_1313_certificate.pdf

Producer: (click for contact & purchase details)
 TÜBİTAK Ulusal Metroloji Enstitüsü (National Metrology Institute) (Turkey)

This material is produced under a valid ISO 17034 accreditation

Remarks:
A unit contains approximately 2 gram of honey (adulterated) in 5 ml amber glass vial. Additional information about the material and the certification process is presented in the certification report. Material should be stored in dry conditions at (+20 ± 5) °C. The Delta 13CVPDB certified value of UME CRM 1312 (honey, unadulterated) was also confirmed by CCQM-K140 intercomparison study participated by national metrology institutes which had been coorganised by TÜBİTAK UME and LGC. Results are found to be in good agreement within the stated uncertainty. Material should be stored in dry conditions at (+20 ± 5) °C. For more information see https://rm.ume.tubitak.gov.tr/urun_en.aspx?u=TZN8z8zBdTkgwDQfw+OP2w==

Intended Use:
This material is intended to be used for method validation, quality control and correction factor determination in delta 13C measurements by EA-IRMS method.

CRM Certificate:  ume_crm_1312_certificate.pdf

Producer: (click for contact & purchase details)
 TÜBİTAK Ulusal Metroloji Enstitüsü (National Metrology Institute) (Turkey)

This material is produced under a valid ISO 17034 accreditation

Remarks:
A unit contains approximately 1 gram of fructose (powder) in 5 ml amber glass vial. Additional information about the material and the certification process is presented in the certification report.Material should be stored in dry conditions at (+20 ± 5) °C.For more information https://rm.ume.tubitak.gov.tr/urun_en.aspx?u=TemC7wpY1scNgS8X3QhtGQ==

Intended Use:
This material is intended to be used for method validation, quality control and correction factor determination in delta 13C measurements by EA-IRMS method.

CRM Certificate:  ume_crm_1311_certificate.pdf

Producer: (click for contact & purchase details)
 TÜBİTAK Ulusal Metroloji Enstitüsü (National Metrology Institute) (Turkey)

This material is produced under a valid ISO 17034 accreditation

Remarks:
A unit contains approximately 1 gram of glucose (powder) in 5 ml amber glass vial. Additional information about the material and the certification process is presented in the certification report.Material should be stored in dry conditions at (+20 ± 5) °C.For more information https://rm.ume.tubitak.gov.tr/urun_en.aspx?u=XQMUJPjzag3w/XUvermohw==

Intended Use:
This material is intended to be used for method validation, quality control and correction factor determination in delta 13C measurements by EA-IRMS method.

CRM Certificate:  ume_crm_1310_certificate.pdf

Producer: (click for contact & purchase details)
 TÜBİTAK Ulusal Metroloji Enstitüsü (National Metrology Institute) (Turkey)

This material is produced under a valid ISO 17034 accreditation

Remarks:
A unit contains approximately 1 gram of sucrose (powder) in 5 ml amber glass vial . Additional information about the material and the certification process is presented in the certification report.Material should be stored in dry conditions at (+20 ± 5) °C.For more information https://rm.ume.tubitak.gov.tr/urun_en.aspx?u=gmPjIyo/Ii1GwIoHNA620Q==

Intended Use:
This material is intended to be used for method validation, quality control and correction factor determination in Delta 13C measurements by EA-IRMS method.

CRM Certificate:  ume_crm_1309_certificate.pdf

Producer: (click for contact & purchase details)
 TÜBİTAK Ulusal Metroloji Enstitüsü (National Metrology Institute) (Turkey)

This material is produced under a valid ISO 17034 accreditation

Remarks:
The Certified Reference Material is a solid material in an amber glass bottle with screw cap obtained by lyophilization of horse serum. Material is listed in BIPM JCTLM database as higher order reference material. Additional information is given in the certification report.The material should be stored at temperatures lower than -20 °C in a dry and dark place.For more information see https://rm.ume.tubitak.gov.tr/urun_en.aspx?u=lEryfNTHKOfL6wg+HnFaOg==

Intended Use:
This material is intended to be used for method performance check and validation purposes of 25- hydroxy vitamin D2 and 25-hydroxy vitamin D3 in serum with LC-MS, LC-MS/MS and HPLC-UV methods.

CRM Certificate:  ume_crm_1308_certificate.pdf

Producer: (click for contact & purchase details)
 TÜBİTAK Ulusal Metroloji Enstitüsü (National Metrology Institute) (Turkey)

This material is produced under a valid ISO 17034 accreditation

Remarks:
A unit contains approximately 160 g of dried fig powder in 250 mL HDPE bottle vacuum packed with aluminium sachet. Detailed information about the material and the certification process is presented in the certification report.UME CRM 1302 should be stored at 4 °C or lower temperatures. For more information https://rm.ume.tubitak.gov.tr/urun_en.aspx?u=IMrHn1BH5mm0PkQAOx78gQ==

Intended Use:
This material is intended to be used in method validation and quality control for the determination of AFB1, AFB2, AFG1, AFG2 and total aflatoxin measurements in dried fig.

CRM Certificate:  ume_crm_1302_certificate.pdf

Producer: (click for contact & purchase details)
 TÜBİTAK Ulusal Metroloji Enstitüsü (National Metrology Institute) (Turkey)

This material is produced under a valid ISO 17034 accreditation