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-溴-6-氯-4-硝基苯胺

標(biāo)準(zhǔn)品/2-溴-6-氯-4-硝基苯胺
產(chǎn)品編號:70704
CAS號:99-29-6
規(guī)格:100mg
有效期:2027-03-15
品牌:TMstandard
標(biāo)準(zhǔn)值:99.7%

分享到:

資料下載

2-溴-6-氯-4-硝基苯胺

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-Bromo-6-chloro-4-nitroaniline
Product Code70704
 
Lot Number-
 
CAS No.99-29-6
 
Mol. Weight251.46
 
Mol. FormulaC6H4BrClN2O2
 
Melting PointN/A
 
Expiry Date2027-Mar-15
 
Boiling pointN/A
 
AppearanceYellow powder________
 
Storage Temp-18℃,Keep in the shade
C E R T I F I E D
Purity
99.7%
 
C E R T I F I E D
Expanded Uncertainty (U)
0.5%
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

Batch Information

Water Content by Karl-Fischer Titration: 0.2%

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: 国产av国片偷人妻麻豆 | 少妇高清精品毛片在线视频 | 中文人妻av久久人妻水密桃 | 欧美黑人巨大xxxxx | 久久中文精品无码中文字幕下载 | 人妻出轨av中文字幕 | 人妻系列无码专区久久五月天 | 亚洲成av人片高潮喷水 | 色777狠狠狠综合 | 天天做天天欢摸夜夜摸狠狠摸 | 91香蕉影视 | 日本道色综合久久影院 | 黑巨人与欧美精品一区 | 午夜精品久久久久9999高清 | 亚洲高清国产拍精品26u | 久久狠狠爱亚洲综合影院 | 80s国产成年女人毛片 | 亚洲第一无码精品一区 | 无码人妻精品一区二区三区夜夜嗨 | 十八禁无码免费网站 | 色爱无码av综合区 | 日本在线看片免费人成视频1000 | 欧美日本精品一区二区三区 | 久久午夜夜伦鲁鲁片免费无码影视 | 久久久精品波多野结衣 | 伊人色综合视频一区二区三区 | 免费精品国自产拍在线观看 | 精品人妻久久久久久888 | 久久中文字幕亚洲精品最新 | 国产成人精品一区二三区在线观看 | 国产精品久久久久久无码五月 | 人妻少妇精品久久 | 亚洲日韩精品一区二区三区 | 一区国产传媒国产精品 | 亚洲精品色午夜无码专区日韩 | 波多野结衣一区二区三区高清 | 亚洲欧洲无码av不卡在线 | 亚洲色欧美色2019在线 | 久久综合婷婷成人网站 | 国产亚洲精品美女久久久久 | 精品少妇无码av无码专区 |