尿素-13C

Reference Material

This certificate is designed in accordance with ISO 17034 and ISO Guide 31. This reference material (RM) was designed,produced and verified in accordance with ISO/IEC 17025, ISO 17034 and a registered quality management system ISO 9001.

Product Name(产品名称) Urea-13C(尿素-13C)

Product Code(产品编号)731791-1g

Lot Number(产品批号)-

CAS No.58069-82-2

Unlabeled CAS No.57-13-6

Mol. Weight(分子量)61.05

Mol. Formula(分子式)13CH4N2O

Melting Point(熔点)N/A

Expiry Date(失效日期)2025-Apr-27

Boiling point(沸点)N/A_______________________________

Appearance(外观)White to Off-White Solid
(白色固体)__

Storage Temp(存储条件)(2~8)℃,Keep in the shade
冷藏(2~8)℃,置于阴凉处

C E R T I F I E D

Purity

99.0%(Isotopic Value:99.0%)

C E R T I F I E D

Expanded Uncertainty (U)

0.5%

Uncertainty

The certified value(s) and uncertainty(ies) are determined in accordance with ISO 17034 with an 95% confidence level(k=2). Uncertainty is based on the Total Combined Uncertainty, including uncertainties of characterisation, homogeneity and stability testing. Stability values are based on real evidence opposed to simulation.

Traceability

The balances used for gravimetric measurements are calibrated with weights traceable to the national standards. The calibration of the balances is verified annually by an external accredited calibration service. This analysis method has been verified using an approach consistent with ISO 17034:2016 & ISO 17025:2017.

CERTIFICATE    ON	QC    SIGNATURE
-		RM Release

Method of Identification

HPLC