久久国产精品午夜一区_91精品國產高清久久久久久91_?级毛片免费全部播放_欧美色图在线视频一区二区三区_国产综合亚洲一区二区三区_中文字幕熟女网_国产精品男人爽免费视频_九九无码网战_亚洲日本三级电影在线观看_欧美日韩DVD手机在线不卡

| 注冊| 產品展廳| 收藏該商鋪

行業(yè)產品

18168802993
當前位置:
壇墨質檢科技股份有限公司>>商機中心>>供應列表>>72304-標準品/驅蚊酯
[供應]72304-標準品/驅蚊酯
舉報
返回列表頁
  • 72304-標準品/驅蚊酯
貨物所在地:
江蘇常州市
更新時間:
2024-08-15 09:36:00
有效期:
2024年8月15日 -- 2025年8月15日
已獲點擊:
23
在線詢價 收藏產品

(聯系我們,請說明是在 化工儀器網 上看到的信息,謝謝!)

產品簡介

標準品/驅蚊酯
產品編號:72304
CAS號:52304-36-6
規(guī)格:100mg
有效期:2028-04-06
品牌:TMstandard
標準值:98.0%

詳細介紹

驅蚊酯

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 17025, ISO 17034 and a registered quality management system ISO 9001.

Product Name(產品名稱) Ethyl 3-(N-Butylacetamido)propanoate(驅蚊酯)
Product Code(產品編號)72304
Lot Number(產品批號)-
CAS No.52304-36-6
Mol. Weight(分子量)215.29
Mol. Formula(分子式)C11H21NO3
Melting Point(熔點)N/A
Expiry Date(失效日期)2028-Apr-06
Boiling point(沸點)N/A
Appearance(外觀)Colorless Clear Liquid
(無色透明液體)____
Storage Temp(存儲條件)(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
98.0%
C E R T I F I E D
Expanded Uncertainty (U)
0.8%
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.



會員登錄

×

請輸入賬號

請輸入密碼

=請輸驗證碼

收藏該商鋪

登錄 后再收藏

提示

您的留言已提交成功!我們將在第一時間回復您~

對比框

產品對比 產品對比 二維碼 意見反饋
在線留言
主站蜘蛛池模板: 巩义市| 徐汇区| 英山县| 蓬莱市| 陇南市| 婺源县| 平潭县| 安新县| 尉犁县| 蒙自县| 万源市| 尉氏县| 洛浦县| 邹城市| 烟台市| 呼玛县| 班玛县| 新余市| 石台县| 潮安县| 丁青县| 大同县| 泾源县| 施甸县| 鹤山市| 闵行区| 贡嘎县| 滨州市| 监利县| 双城市| 新竹市| 昌邑市| 二连浩特市| 黎川县| 中江县| 清水县| 库尔勒市| 苍南县| 灵璧县| 漳平市| 普兰店市|