国产精品一区二区三麻豆-最近中文字幕在线免费视频-2021最新最全国产精品-午夜福利av日韩精品

標(biāo)準(zhǔn)品/甲醇中1,3-丁二烯

標(biāo)準(zhǔn)品/甲醇中1,3-丁二烯
產(chǎn)品編號:91509b
CAS號:106-99-0
規(guī)格:1mL
品牌:TMstandard
標(biāo)準(zhǔn)值:1000μg/mL

分享到:

資料下載

甲醇中1,3-丁二烯

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(產(chǎn)品名稱) 1,3-Butadiene in Methanol,1000μg/mL(甲醇中1,3-丁二烯)
Part Number(產(chǎn)品編號)91509b
 
Lot Number(產(chǎn)品批號)-
 
CAS No.:106-99-0
 
Mol. Formula(分子式)C4H6
 
Mol. Weight(分子量)54.09_______________________________________
 
Storage Temp(存儲條件)(-18±5)℃,Keep in the shade
(-18±5)℃冷凍,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(kuò)展不確定度)2%


Expiry Date(失效日期)2028-Sep-24


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
主站蜘蛛池模板: 亚洲精品国产AV成拍色拍个| 中文字幕人妻不在线无码视频| 亚洲国产成人欧美日韩另类| 老熟妇高潮偷拍一区二区| 日韩熟妇精品一区二区| 国内外免费激情在线视频| 亚洲欧洲国产经精品香蕉网| 国产乱码久久久久久一区二区| 亚洲纯种啪啪美女被高潮 | 快点插进去视频在线观看| 亚洲日本va中文字幕久| 国产精品黄色视频无码密桃 | 国产福利一区二区三区在线| 国产亚洲一路线二路线高| 国产精品久久久精k7| 一亲二摸三插四强上在线| 亚洲av色男人天堂网| 久久被窝亚洲精品爽爽爽蜜臀av| 里美尤利娅av一区二区| 久久亚洲精品中文字幕二区| 久久国产精品日本波多野吉衣 | 亚洲一区二区三区女厕偷拍| 久久人人爽爽人人爽人人片av| 亚洲欧美日韩综合在线一| 激情亚洲精品无码av老司机| 久久久久久久久久久久精品优物 | 日本欧美在线视频免费| 色哟哟国产精品免费下载| 无码人妻中文字幕冒白水| 最新一区二区三区四区| 一卡二卡三卡久久久久久久久久久| 久久国产一区二区91| 欧洲日韩在线观看一区二区三区视频| 午夜久久精品国产亚洲av香蕉| 国产91在线精品精选| 国产熟女高潮大集合| 国产乱妇乱子视频在播放| 成人免费在线观看午夜福利| 精品人伦一区二区三区涩欲| 免费在线视频120| 午夜国产一区二区三区在线|