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标准物质/甲醇中氯乙烯
参考价:¥420

型号:92395h

更新时间:2024-08-20  |  阅读:849

详情介绍

甲醇中氯乙烯

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 17025ISO 17034 and a registered quality management system ISO 9001.

Product Name Vinylchloride in Methanol,5000μg/mL
Part Number92395h
 
Lot Number-
 
CAS No.75-01-4
 
Mol. FormulaC2H3Cl
 
Mol. Weight62.50__________________
 
Storage Temp(20±5)℃,Keep in the shade
QC Test Results
ItemTest Results


Analysis methodGC/MS


Concentration5000μg/mL


Uncertainty1%


Expiry Date2026-Aug-09


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 preparation, purity of neat materials, homogeneity, stability testing.

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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