国产精品一区二区三麻豆-最近中文字幕在线免费视频-2021最新最全国产精品-午夜福利av日韩精品

標準品/間硝基氯苯

標準品/間硝基氯苯
產品編號:71901
CAS號:121-73-3
規格:250mg
有效期:2030-07-09
品牌:TMstandard
標準值:99.4%

分享到:

資料下載

間硝基氯苯

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(產品名稱) 1-Chloro-3-nitrobenzene(間硝基氯苯)
Product Code(產品編號)71901
 
Lot Number(產品批號)-
 
CAS  .121-73-3
 
Mol. Weight(分子量)157.55
 
Mol. Formula(分子式)C6H4ClNO2
 
Melting Point(熔點)44°C(dec.)
 
Expiry Date(失效日期)2030-Jul-09
 
Boiling point(沸點)236°C(dec.)
 
Appearance(外觀)Solid
(固體)_____________________
 
Storage Temp(存儲條件)(-18±5)℃,Keep in the shade
(-18±5)℃冷凍,置于陰涼處
 
Transportation(運輸條件)Biological ice bag transportation(生物冰袋運輸)
C E R T I F I E D
Purity
99.4%
 
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


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.


壇墨質檢
  • 電話

    4008-099-669

    手機

    15806127965

在線客服
主站蜘蛛池模板: 久久se亚洲国产精品| 欧美在线香蕉在线视频| 啊啊啊啊用力操小穴视频下载| 中文字幕一区二区三区av| 91乱码亚洲精品中文字幕| 欧美精品一区二区三区激情| 亚洲女人的天堂在线观看| 亚洲欧美国产激情另类图片视| 欧美成人精品一区二区蜜臀| 国产高跟丝袜一区二区三区| 人妻精品久久久久中文有码| 精品国产成人av在线看| 日本欧美在线观看不卡| 黄片在线免费观看观看| 视频专区 一区二区三区| 成人一区二区三区视频在线观看| y111111少妇影院无码| 色综合久久久综合夜夜嗨| 麻豆一区二区三区四区精品| 熟女人妻av五十路六十路| 国产美女作爱视频网站| 久久久777天天躁狠狠躁| 人人妻人人澡人人爽一区| 婷婷视频网中文字幕网| 欧美老熟妇毛多水多| 欧美日韩精品人妻一区二区| 日韩精品一区二区三区蜜臀| 夜夜嗨免费av一区二区三区| 国产原视频免费在线观看| 91精品视频在线免费播放| 日韩精品久久久毛片一区二区| 白丝班长让我脱衩白浆视频| 精品尤物视频在线播放| 亚洲国产成a人v在线观看| 中文字幕欧美视频免费观看| 97久久精品人人槡人妻人人玩| 久久人妻无码中文字幕| 99九九久久综合伊人 | 无遮挡免费视频在线观看| 丝袜制服中文字幕久久| 激情五月开心五月中文字|