成人做爰免费视频免费看_成人a级高清视频在线观看,成人a大片在线观看,成人a大片高清在线观看,成人av在线播放,一a一级片,一级黄 中国色 片,一级黄 色蝶 片,一级黄色 片生活片

| 注冊| 產品展廳| 收藏該商鋪

行業產品

18168802993
當前位置:
壇墨質檢科技股份有限公司>>商機中心>>供應列表>>72044-標準品/丁烯酸苯酯
[供應]72044-標準品/丁烯酸苯酯
舉報
返回列表頁
  • 72044-標準品/丁烯酸苯酯
貨物所在地:
江蘇常州市
更新時間:
2024-07-24 16:02:51
有效期:
2024年7月24日 -- 2025年7月24日
已獲點擊:
39
在線詢價 收藏產品

(聯系我們,請說明是在 化工儀器網 上看到的信息,謝謝!)

產品簡介

標準品/丁烯酸苯酯
產品編號:72044
CAS號:1114-71-2
規格:10mg
有效期:2025-08-29
品牌:TMstandard
標準值:95.3%

詳細介紹

丁烯酸苯酯

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 17025, ISO 17034 and a registered quality management system ISO 9001.

Product Name(產品名稱) Pebulate(丁烯酸苯酯)
Product Code(產品編號)72044
Lot Number(產品批號)-
CAS .1114-71-2
Mol. Weight(分子量)203.34
Mol. Formula(分子式)C10H21NOS
Melting Point(熔點)N/A
Expiry Date(失效日期)2025-Aug-29
Boiling point(沸點)N/A
Appearance(外觀)Liquid
(液體)________________
Storage Temp(存儲條件)(2~8)℃,Keep in the shade
冷藏(2~8)℃,置于陰涼處
C E R T I F I E D
Purity
95.3%
C E R T I F I E D
Expanded Uncertainty (U)
0.3%
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 characterisation, homogeneity and stability testing. Stability values are based on real evidence opposed to simulation.

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.

CERTIFICATE    ONQC    SIGNATURE
-RM Release
Method of Identification

GC/FID


Intended Use

This RM is intended for use in a laboratory as a calibration and quality control standard or in method development for analytical techniques.

Storage

This reference material meets the specification stated in this certificate until the expiry date, provided it is stored unopened at the recommended temperature here in. If storage after opening is necessary, the RM should be tightly closed and kept from light and moisture.

Hazards

Read Material Safety Data Sheet (MSDS) and understand any potential hazard(s) prior to the use of this product. All chemicals should be considered potentially hazardous in nature and should only be handled by qualified personnel using established good laboratory practices.

Homogeneity

Random replicate samples of the final packaged RM have been analysed to prove homogeneity compliant with ISO 17034.

Instructions for use

It is recommended to use 1 mg as the minimum sample size and if less material is used, to increase the certified uncertainty by a factor of two for half sample and four for a quarter of sample.Visit the support section of our website technology videos and frequently asked questions.



會員登錄

×

請輸入賬號

請輸入密碼

=

請輸驗證碼

收藏該商鋪

登錄 后再收藏

提示

您的留言已提交成功!我們將在第一時間回復您~

對比框

產品對比 產品對比 二維碼 意見反饋
在線留言
主站蜘蛛池模板: 大香伊蕉在人线视频777| 91福利网站在线观看| 日韩欧美精品一区在线观看| 韩国理论做爰片免费看| 午夜福利视频合集4000手机| 欧美国产日韩在线观看视频| 高清无码中文字幕在线观看视频| 又大又粗又爽免费视频A片| 国产av人人夜夜澡人| www国产亚洲精品久| 91在线播放国产视频| 国产超碰AV人人做人人爽| 精品无码成人片一区二区| 国产麻豆91网在线看| 久久久亚洲精品| 国产在线不卡AV精片观看| 久久久久久久久大片| 日韩精品极品视频在线观看免费| 欧美日韩国产精品久久久久| 黑人欧美巨大xxxxx69| 巨胸爆乳美女漏双奶头A片裸体| 国产免费又黄又爽又色毛| 狂处让老二爽18p| 欧美性爱第1 页| 欧美人妻精品一区99| 欧美 日韩 国产 精品| 国产成人精品手机在线播放| 色婷婷综合在线| aⅴ日本亚洲欧洲免费天堂| mdapptv麻豆下载APP| 国产重口老太和小伙A片| 日韩黄色小说| 欧美aaa级片一级片网站| 精品久久久久久久国产潘金莲| 一区二区三区东京热| 成人在线欧美日韩| 啊轻点灬大巴太粗太长了动态图| 国产激情视频在线| 久久久这里只有精品免费| 欧美午夜精品久久久久久浪潮| 野花社区wwW高清视频|