91av视频在线 I 最新爱爱网站 I 成人羞羞免费 I 亚洲国产精品人人做人人爱 I 伊人精品在线观看 I 精品国产乱码久久久久软件 I 成人av电影在线观看 I 久久亚洲影视 I 欧美 亚洲 中文字幕 I 亚洲高清福利 I 成人在线网 I 佐山爱一区二区中文字幕 I 国产欧美日韩精品一区二区三区 I 成人女人黄网站免费视频 I 亚洲自拍第三页 I 在线成人免费观看视频 I 夜鲁鲁鲁夜夜综合视频 I 菠萝菠萝蜜午夜视频在线播放观看 I 亚洲天堂网在线观看视频 I 日韩欧美亚洲国产精品字幕久久久 I 中文字幕精品亚洲无线一男人 I 国产精品丝袜视频 I 人人澡人人妻人人爽人人蜜桃麻豆 I 在线观看成人黄色 I 97国产精品亚洲精品 I 青青伊人成人 I china国产乱xxxxx绿帽 I 日本性久久

標(biāo)準(zhǔn)品/2,4-滴甲酯

標(biāo)準(zhǔn)品/2,4-滴甲酯
產(chǎn)品編號(hào):713811-10mg
CAS號(hào):1928-38-7
規(guī)格:10mg
有效期:2025-10-23
品牌:TMstandard
標(biāo)準(zhǔn)值:99.1%

分享到:

資料下載

2,4-滴甲酯

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

Product Name 2,4-D-methyl Ester
Product Code713811-10mg
 
Lot Number-
 
CAS No.:1928-38-7
 
Mol. Weight235.06
 
Mol. FormulaC9H8Cl2O3
 
Melting Point40℃(dec.)
 
Expiry Date2025-Oct-23
 
Boiling pointN/A
 
AppearanceWhite to Off-White Solid__
 
Storage Temp(20±5)℃,Keep in the shade
C E R T I F I E D
Purity
99.1%
 
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

HPLC/DAD

Batch Information

Water Content by Karl-Fischer Titration: 0.29%

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.


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: 亚洲一区二区三区香蕉 | 日本少妇裸体做爰高潮片 | 亚洲综合网站色欲色欲 | 欧美乱码精品一区二区三区 | 日本人成网站18禁止久久影院 | 精品国产 白哲 | 99精品产国品一二三产区 | 亚洲人成网站在线观看播放 | 综合亚洲桃色第一影院 | 91av在线免费播放 | 最新亚洲精品国偷自产在线 | 亚洲精品乱码8久久久久久日本 | 国产公开免费人成视频 | 国产中老年妇女精品 | 久久久久久国产精品无码超碰动画 | 亚裔大战黑人老外av | 中文人妻熟女乱又乱精品 | 亚洲人av在线无码影院观看 | 国产亚洲精品久久午夜玫瑰园 | 色欲色av免费观看 | 国产成人欧美亚洲日韩电影 | 成人做爰视频www网站小优视频 | 亚洲人成色7777在线观看不卡 | 少妇脱了内裤让我添 | 精品一区二区三区在线观看视频 | 脱岳裙子从后面挺进去视频 | 狠狠躁18三区二区一区ai明星 | 久久久久人妻精品一区三寸 | 又粗又大又硬毛片免费看 | 国产人妻一区二区三区四区五区六 | 中文字幕丰满乱孑伦无码专区 | 在线看片无码永久免费视频 | 精品久久无码中文字幕 | 国产成人亚洲综合二区 | 日日碰狠狠躁久久躁96 | 国产人妻精品久久久久久 | 在线看片免费人成视频久网下载 | 在线观看国产一区二区三区 | 日产精品卡二卡三卡四卡乱码视频 | 精品视频一区二区三区中文字幕 | 人人妻人人澡人人爽欧美一区双 |