天堂网2016-天堂网2014-天堂网. www在线资源-天堂网-天堂婷婷-天堂素人在线

標(biāo)準(zhǔn)品/屈

標(biāo)準(zhǔn)品/屈
產(chǎn)品編號(hào):72186
CAS號(hào):218-01-9
規(guī)格:25mg
有效期:2030-04-09
品牌:TMstandard
標(biāo)準(zhǔn)值:98.0%

分享到:

資料下載

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) Benzo[a]phenanthrene(屈)
Product Code(產(chǎn)品編號(hào))72186
 
Lot Number(產(chǎn)品批號(hào))-
 
CAS No.218-01-9
 
Mol. Weight(分子量)228.29
 
Mol. Formula(分子式)C18H12
 
Melting Point(熔點(diǎn))256℃(dec.)
 
Expiry Date(失效日期)2030-Apr-09
 
Boiling point(沸點(diǎn))448℃(dec.)
 
Appearance(外觀)Solid
(固體)_______________________
 
Storage Temp(存儲(chǔ)條件)Normal temperature,Keep in the shade
常溫,置于陰涼處
 
Transportation(運(yùn)輸條件)Normal temperature transportation(常溫運(yùn)輸)
C E R T I F I E D
Purity
98.0%
 
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

qNMR


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)

    18168802993

在線客服
主站蜘蛛池模板: 欧美丰满大乳大屁在线观看股| 国产高清在线播放免费观看| 双性双根| 国产亚洲精品美女久久久| 成人福利在线| 草溜短视频| 欧美午夜精品久久久久久黑人| 日本无遮挡拍拍拍凤凰| 欧美日韩国产最新一区二区| 国产综合成色在线视频| 久久久久激情免费观看| 91看片淫黄大片.在线天堂| 先锋影音 av| 欧美sq| 色戒完整版2小时38分钟| 日韩精品亚洲一级在线观看| 国产精品久久久久影视不卡| 国产一区二区精品久久| 久久国产综合精品欧美| 白丝vk丨tk失禁| 久久精品亚洲精品国产欧美 | 波多野结在线| 狠狠涩| 国自产拍在线天天更新91| 性妲己| 99热资源| 成人综合久久综合| 关晓彤被草| 白丝美女同人18漫画| 99精品视频免费| chinese456老年gay| 99久久er这里只有精品17 | 成人无高清96免费| 操尼姑| 国产亚洲精品aaa大片| 干妞网免费视频| 极品美女aⅴ高清在线观看| 免费国产福利| 色碰视频| 日日操美女| 秋霞宅宅236理论片|