强壮的公次次弄得我高潮A片日本,日本无码av不卡手机在线观看,久久日产一线二线三线品,久久久国产精品

標(biāo)準(zhǔn)品/二氯甲烷中N-二甲基亞硝胺

標(biāo)準(zhǔn)品/二氯甲烷中N-二甲基亞硝胺
產(chǎn)品編號(hào):91851a
CAS號(hào):62-75-9
規(guī)格:1mL
有效期:2026-09-09
品牌:TMstandard
標(biāo)準(zhǔn)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(chǎn)品名稱) N-nitrosodimethylamine in Dichloromethane,1000μg/mL(二氯甲烷中N-二甲基亞硝胺)
Part Number(產(chǎn)品編號(hào))91851a
 
Lot Number(產(chǎn)品批號(hào))-
 
CAS No.62-75-9
 
Mol. Formula(分子式)C2H6N2O
 
Mol. Weight(分子量)74.08___________________________________
 
Storage Temp(存儲(chǔ)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(duì)擴(kuò)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(zhì)檢
  • 電話

    4008-099-669

    手機(jī)

    15806127965

在線客服
  1. <noscript id="0xiga"><listing id="0xiga"><nav id="0xiga"></nav></listing></noscript>
      <var id="0xiga"><listing id="0xiga"><cite id="0xiga"></cite></listing></var>

      主站蜘蛛池模板: 新巴尔虎左旗| 日本aaaaa级毛片| 若尔盖县| 书房吸乳抑制低吟1V1| 鹿泉市| 欧美片av手机在线观看| 日日摸处处碰天天看| 日本不卡av一区二区三区| 乖乖趴着H调教3p| 杭锦旗| 日本在线网免费毛片视频| 靖安县| 久热在线中文字幕色999舞| 哈巴河县| 日本乱人伦片中文三区| 亚洲精品国**自产在线观看蜜桃| 成全电影大全在线观看| 人妻出差被寝取中文字幕| 贵阳市| 武邑县| 中文无码精品A∨在线观看不卡| 三年大片大全免费观看大全| 调兵山市| 久久久成人毛片无码| 宝山区| 日本aⅴ精品中文字幕| CHINESE国产高清AV| 中文无码精品A∨在线观看不卡| 黄骅市| 青青河边草免费观看2019| 长泰县| 肃宁县| 欧美黄色视频| 主仆调教SM束缚绳索捆绑| 日本国产网曝视频在线观看| 国产专区一线二线三线码| 成全动漫视频在线观看| 少妇搡BBBB搡BBB搡毛茸茸| 石林| 香蕉久久国产av一区二区| 日本高清视频色www色|