强壮的公次次弄得我高潮A片日本,日本无码av不卡手机在线观看,久久日产一线二线三线品,久久久国产精品

標(biāo)準(zhǔn)品/1,3-二硝基苯

標(biāo)準(zhǔn)品/1,3-二硝基苯
產(chǎn)品編號(hào):710563
CAS號(hào):99-65-0
規(guī)格:250mg
有效期:2029-07-30
品牌:TMstandard
標(biāo)準(zhǔn)值:99.9%

分享到:

資料下載

1,3-二硝基苯

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(chǎn)品名稱) 1,3-Dinitrobenzene(1,3-二硝基苯)
Product Code(產(chǎn)品編號(hào))710563
 
Lot Number(產(chǎn)品批號(hào))-
 
CAS No.99-65-0
 
Mol. Weight(分子量)168.11
 
Mol. Formula(分子式)C6H4N2O4
 
Melting Point(熔點(diǎn))84-90℃(dec.)
 
Expiry Date(失效日期)2029-Jul-30
 
Boiling point(沸點(diǎn))N/A
 
Appearance(外觀)Solid
(固體)___________________
 
Storage Temp(存儲(chǔ)條件)(20±5)℃,Keep in the shade
常溫(20±5)℃,置于陰涼處
C E R T I F I E D
Purity
99.9%
 
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


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
  1. <noscript id="0xiga"><listing id="0xiga"><nav id="0xiga"></nav></listing></noscript>
      <var id="0xiga"><listing id="0xiga"><cite id="0xiga"></cite></listing></var>

      主站蜘蛛池模板: 国产无线一线二线| 黑河市| 晋江市| 日本爆乳j罩杯无码视频 | 成全动漫在线观看更新时间| 小荡货女友H调教| 贡山| 人与动人物xxxx国产| 9久久9久久精品| 嫩草乱码一区三区四区| 镇平县| 安岳县| 紫阳县| 遵义市| 男人添女人荫蒂视频观看| 欧美人与动牲交a欧美精品| 日本欧美久久久久免费播放网| 洞头县| 国产乡下妇女做爰| 中文字幕乱码人妻二区三区| 精品无码一区二区三区的天堂| 暖暖完整版免费视频中文| 杭锦后旗| 成全在线电影在线观看| 成人永久免费CRM入口在哪| 日本一区二区在免费观看| 主人调教巨奴性奶牛少年| 汉寿县| 国产农村妇女精品一二区| 海晏县| 欧美高清一区三区在线专区| 雅安市| 很黄的叫床口述| 国产午夜精品一区二区三区嫩草| 欧美黑吊大战白妞欧美大片| 逊克县| 青冈县| 东丰县| 国产探花在线精品一区二区| 8848高清电影电视剧免费看| 各类老熟女老熟妇视频在线观看|