午夜三级在线_日批在线看_伊人久久久久久久久久久久_日韩插插插_亚洲二区av_亚洲成人av一区二区三区

標(biāo)準(zhǔn)物質(zhì)/甲醇中氯乙烯

標(biāo)準(zhǔn)物質(zhì)/甲醇中氯乙烯
產(chǎn)品編號(hào):92395h
CAS號(hào):75-01-4
規(guī)格:1mL
有效期:2026-08-09
品牌:TMstandard
標(biāo)準(zhǔn)值:5000μg/mL

分享到:

資料下載

甲醇中氯乙烯

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 Vinylchloride in Methanol,5000μg/mL
Part Number92395h
 
Lot Number-
 
CAS No.75-01-4
 
Mol. FormulaC2H3Cl
 
Mol. Weight62.50__________________
 
Storage Temp(20±5)℃,Keep in the shade
QC Test Results
ItemTest Results


Analysis methodGC/MS


Concentration5000μg/mL


Uncertainty1%


Expiry Date2026-Aug-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
主站蜘蛛池模板: 国产精品成人自拍 | 欧美激情一区二区 | 少妇太爽了在线观看 | 色视频在线免费观看 | 黄色片一区 | 国产精品日韩av | 久久久夜色精品 | 久热在线视频 | 欧美黑人xxxx| 新国产视频 | 五月婷婷免费视频 | 欧美福利视频在线观看 | 成人99 | 国产成年人视频 | 午夜久久久久久 | 国内91视频 | 免费在线观看的av | 91网站免费看 | 精品国产午夜 | 久久亚洲在线 | 欧美黄色激情视频 | 亚洲精品一区二区在线观看 | 国产在线观看免费视频今夜 | 欧美一级视频免费观看 | 日韩欧美一区二区三区四区 | 欧美视频一二区 | 国产精品毛片一区二区三区 | 手机看片亚洲 | 色即是空4| 超碰在线观看97 | 人人插人人搞 | 国产在线激情视频 | 国产一区二三区 | 超碰在线97观看 | 精品免费在线视频 | 成年人在线播放视频 | 五月天堂网 | 欧美黄色免费视频 | 免费黄色大片网站 | 欧美亚洲日本国产 | 91精品国产麻豆 |