標(biāo)準(zhǔn)品/甲醇中乙滴涕

    標(biāo)準(zhǔn)品/甲醇中乙滴涕
    產(chǎn)品編號:92225b
    CAS號:72-56-0
    規(guī)格:1mL
    有效期:2026-04-18
    品牌:TMstandard
    標(biāo)準(zhǔn)值:1000μg/mL

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    甲醇中乙滴涕

    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(產(chǎn)品名稱) Perthan in Methanol,1000μg/mL(甲醇中乙滴涕)
    Part Number(產(chǎn)品編號)92225b
     
    Lot Number(產(chǎn)品批號)-
     
    CAS No.72-56-0
     
    Mol. Formula(分子式)C18H20Cl2
     
    Mol. Weight(分子量)307.26______________________________________
     
    Storage Temp(存儲(chǔ)條件)(-18±5)℃,Keep in the shade
    冷凍(-18±5)℃,置于陰涼處
    QC Test Results
    ItemTest Results


    Analysis method(分析方法)HPLC/DAD


    Concentration(濃度)1000μg/mL


    Relative Expanded Uncertainty(k=2)(相對擴(kuò)展不確定度)2%


    Expiry Date(失效日期)2026-Apr-18


    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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