久久5-久久4-久久3-久久2019-一个人hd高清在线观看免费一-一个人hd高清在线观看免费

標(biāo)準(zhǔn)品/乙腈中乙二醇單丁醚

標(biāo)準(zhǔn)品/乙腈中乙二醇單丁醚
產(chǎn)品編號:92367b
CAS號:111-76-2
規(guī)格:1mL
有效期:2025-03-28
品牌:TMstandard
標(biāo)準(zhǔn)值:1000μg/mL

分享到:

資料下載

乙腈中乙二醇單丁醚

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) Butoxyethanol in Acetonitrile,1000μg/mL(乙腈中乙二醇單丁醚)
Part Number(產(chǎn)品編號)92367b
 
Lot Number(產(chǎn)品批號)-
 
CAS .111-76-2
 
Mol. Formula(分子式)C6H14O2
 
Mol. Weight(分子量)118.18______________________________________
 
Storage Temp(存儲條件)(-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)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)2025-Mar-28


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)

    18168802993

在線客服
主站蜘蛛池模板: 久久6699精品国产人妻| 伊人青青视频| 日韩a在线观看| 午夜宅宅伦电影网| 快播苍井空| 国产互换后人妻的疯狂VIDEO| 一区二区高清视频| 一本久久道aa兔费看| 视频一区二区免费| 欧美天堂在线观看| 国精产品一区一区三区有限在线| 在线免费观看日韩| 亚洲国产99999在线精品一区| 一级毛片黄片| 亚洲综合色网站| 忘忧草一区| 日韩在线观看一区二区三区| 最近2019中文字幕免费| 无码人妻丰满熟妇啪啪网不卡| 蜜芽亚洲欧美一区二区电影| 国产欧美二区综合| gogo亚洲肉体艺术照片9090| 一级毛片免费完整视频| 一区二区三区免费在线观看| 尤里和露珠2韩剧在线观看中文版| 一区二区欧美视频| 在线国产片| 99视频网站| 这里是九九伊人| 亚洲欧美在线免费观看| 婷婷在线综合| 视频一区二区国产| 亚洲欧美伦理| 性欧美xxxx| 婷婷综合激情网| 亚洲成a人片在线观看播放| 污污的视频在线播放| 性感美女视频免费网站午夜 | 久久无码av三级| 国产强奷糟蹋漂亮邻居在线观看| 国产亚洲精品久久久闺蜜|