標準品/二氯甲烷中N-二甲基亞硝胺

    • 型   號:91851a
    • 類   別:標準品
    • 價   格:140

    標準品/二氯甲烷中N-二甲基亞硝胺
    產品編號:91851a
    CAS號:62-75-9
    規格:1mL
    有效期:2026-09-09
    品牌:TMstandard
    標準值:1000μg/mL

    分享到:

    資料下載

    二氯甲烷中N-二甲基亞硝胺

    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(產品名稱) N-nitrosodimethylamine in Dichloromethane,1000μg/mL(二氯甲烷中N-二甲基亞硝胺)
    Part Number(產品編號)91851a
     
    Lot Number(產品批號)-
     
    CAS No.62-75-9
     
    Mol. Formula(分子式)C2H6N2O
     
    Mol. Weight(分子量)74.08___________________________________
     
    Storage Temp(存儲條件)(2~8)℃,Keep in the shade
    冷藏(2~8)℃,置于陰涼處
    QC Test Results
    ItemTest Results


    Analysis method(分析方法)GC/FID


    Concentration(濃度)1000μg/mL


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


    Expiry Date(失效日期)2026-Sep-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.


    壇墨質檢
    • 電話

      4008-099-669

      手機

      18168802993

    在線客服
    主站蜘蛛池模板: 真实的国产乱xxxx在线| 青青操在线免费观看| 日韩制服丝袜在线| 亚洲精品视频在线观看你懂的 | 黄色a级片电影| 国产麻豆剧果冻传媒星空在线看| 中文字幕无码人妻aaa片| 极品人体西西44f大尺度| 人人妻人人澡人人爽人人精品浪潮| 蜜柚免费视频下载| 国产精品va在线观看手机版| h视频免费观看| 我要看18毛片| 久久精品国产只有精品66| 欧美日韩精品久久久久| 免费无遮挡无码永久视频| 蜜桃成熟时33d在线| 国产激情对白一区二区三区四| 99久久精品美女高潮喷水| 成人一级黄色大片| 久久亚洲精品中文字幕| 欧美xxxx狂喷水| 亚洲精品国偷自产在线| 精品国产福利在线观看| 国产亚洲美女精品久久| wwwxxx国产| 在线中文字幕一区| 一区国严二区亚洲三区| 日日操夜夜操狠狠操| 久久综合九色综合网站| 欧美性色欧美a在线播放| 人妻精品久久久久中文字幕69 | 狠狠色综合网站久久久久久久高清 | 一级免费黄色大片| 日本人亚洲人jjzzjjzz页码1| 亚洲一区二区三区在线播放| 欧美色视频日本| 做a的视频免费| 精品国产综合区久久久久久| 国产三级在线观看视小说| 国产三级毛片视频|