标准品/乙腈中间甲基苯甲醛-DNPH

参考价：面议
供货周期： 现货
品牌： 坛墨质检
规格： 1mL
货号： 91791a
CAS号：
坛墨质检科技股份有限公司
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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) m-Tolualdehyde-DNPH in Acetonitrile,100μg/mL(乙腈中间甲基苯甲醛-DNPH)
Part Number(产品编号)91791a
 
Lot Number(产品批号)-
 
CAS No.2880-05-9
 
Mol. Formula(分子式)C14H12N4O4
 
Mol. Weight(分子量)300.27__________________________________
 
Storage Temp(存储条件)(2-8)℃,Keep in the shade
(2~8)℃冷藏，置于阴凉处
QC Test Results
ItemTest Results


Analysis method(分析方法)HPLC/DAD


Concentration(浓度)100μg/mL


Relative Expanded Uncertainty(k=2)(相对扩展不确定度)3%


Expiry Date(失效日期)2025-Jun-14


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.

CERTIFICATE    ONQC    SIGNATURE
-RM Release


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