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: 好好的曰com久久| 麻豆AV福利AV久久AV| 成人毛片在线播放| 97SE亚洲国产综合自在线不卡| 尤利娅和子同居的日子在线观看| 亚洲天天综合| 亚洲国产精选| 亚洲va欧美va天堂v国产综合| 天天躁夜夜躁狠狠躁2023| 色综合色狠狠天天综合色hd | 一区二区三区在线播放视频| 亚洲欧美一| 亚洲欧洲精品国产二码| 亚洲黄色影视| 亚洲一区二区影视| 一级黄色片免费播放| 天堂在线影院| 天天爽视频| 亚洲第一大网站| 亚洲天堂视频在线观看免费| 亚洲最新在线视频| 中文字幕乱码视频中文字幕14| 综合九九| 天堂在线观看免费视频| 无限免费观看完整版视频大全| 婷婷在线成人免费观看搜索| 午夜婷婷| 四虎网站最新网址| 图片专区小说专区卡通动漫| 香蕉黄瓜草莓芭乐绿巨人| 亚洲国产婷婷香蕉久久久久久| 亚洲欧美日韩高清一区二区三区| 一个免费观看| 中文国产成人精品久久水| √天堂中文www官网| AV无码九九久久| 国产精品久久婷婷五月色| 好吊日视频在线| 麻豆E奶女教师国产精品| 青柠在线观看免费完整版| 婷婷午夜影院|