中国少妇性bbbbbb,理论电影大全,日本精品中文字幕在线播放,人妻系列电影

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(hào):70704
CAS號(hào):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: 阿拉善左旗| 平安县| 西宁市| 皋兰县| 岳西县| 夏河县| 贡嘎县| 荥经县| 独山县| 怀柔区| 商洛市| 文昌市| 闽清县| 富宁县| 朝阳区| 昌都县| 宾阳县| 比如县| 吉水县| 湘西| 屯留县| 天祝| 台安县| 绥德县| 耿马| 略阳县| 奇台县| 新蔡县| 辽源市| 正定县| 营山县| 闵行区| 日土县| 教育| 广东省| 家居| 邵东县| 武冈市| 汝州市| 玉山县| 新安县|