午夜三级在线_日批在线看_伊人久久久久久久久久久久_日韩插插插_亚洲二区av_亚洲成人av一区二区三区

標準品/丙酮中4種有機錫混標/HJ 1074-2019

  • 型   號:81091JD
  • 類   別:標準品
  • 價   格:540

標準品/丙酮中4種有機錫混標/HJ 1074-2019
產品編號:81091JD
規格:1mL
有效期:2025-01-30
品牌:TMstandard
標準值:1000μg/mL

分享到:

資料下載

丙酮中4種有機錫混標

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) 4 Organotin Mix in Acetone,1000μg/mL(丙酮中4種有機錫混標)
 
Part Number(產品編號) 81091JD
 
Lot Number(產品批號) -
 
Expiry Date(失效日期) 2025-Jan-30________________________________
 
Storage(存儲條件)           (2~8)℃,dark
                                                        (2~8)℃冷藏,避光
CERTIFIED
Component
No.
(組分數)
Component
(組分)
CAS No.Concentration
(μg/mL)
(濃度)
Relative Expanded
Uncertainty(%) (k=2)
(相對擴展不確定度)
1Dibutyltin Dichloride (二丁基二氯化錫)683-18-110002
2Tributyltin Chloride (三丁基氯化錫)1461-22-910002
3Diphenyltin Dichloride in Methanol (二氯二苯基錫)1135-99-510002
4Fentin-chloride (三苯基氯化錫)639-58-710002
Note

The above components are calculated in the form of organotin(以上成分以有機錫計)

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.

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 preparation, purity of neat materials, homogeneity, stability testing.

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.

Homogeneity

Random replicate samples of the final packaged RM have been analysed to prove homogeneity consistent with ISO 17034.

Storage

The RM should be stored in the original sealed bottle at the indicated temperature.


壇墨質檢
  • 電話

    4008-099-669

    手機

    15806127965

在線客服
主站蜘蛛池模板: 手机看片日韩日韩 | 91在线小视频 | 精品久久久国产 | 午夜精品一区二区三区在线播放 | 女人18毛片一区二区三区 | 精品视频在线播放 | 国产高清一区二区三区四区 | 久操资源网 | 色播99| av在线播放观看 | 精品美女一区二区三区 | 一级片视频网站 | 日本男女动态图 | 69性视频| 精品国产999久久久免费 | 国产高清免费 | 看av网站| 在线成人免费观看 | 亚洲 欧美 激情 另类 校园 | 久久99精品久久久久久 | 一区中文字幕 | 成人免费视频观看 | 成人免费看片视频 | 亚洲成人一区在线 | 天天色天天搞 | www.五月天激情 | 四虎福利| 一道本av | 国内黄色片 | 欧美一区二区在线看 | 黑人巨大精品欧美 | 最新中文字幕 | 五月婷婷激情综合 | aaa国产| 香蕉视频91 | 特级西西 | 午夜小视频在线播放 | 亚色在线观看 | 色呦呦一区 | 国产黄色网络 | 五月中文字幕 |