71631-10mg-标准品/丙酸乙酯_纯品标准品-坛墨质检科技股份有限公司手机版

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丙酸乙酯

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) Ethyl Propionate(丙酸乙酯)

Product Code(产品编号)71631-10mg

Lot Number(产品批号)-

CAS .105-37-3

Mol. Weight(分子量)102.13

Mol. Formula(分子式)C5H10O2

Melting Point(熔点)N/A

Expiry Date(失效日期)2029-Aug-28

Boiling point(沸点)99.3°C(dec.)

Appearance(外观)Liquid
(液体)______________________

Storage Temp(存储条件)Normal temperature,Keep in the shade
常温，置于阴凉处

C E R T I F I E D

Purity

99.9%

C E R T I F I E D

Expanded Uncertainty (U)

1.0%

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.

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丙酸乙酯

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