久久5-久久4-久久3-久久2019-一个人hd高清在线观看免费一-一个人hd高清在线观看免费

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

    18168802993

在線客服
主站蜘蛛池模板: 国产亚洲精品自在久久77 | 毛片小视频| 最新国产三级久久 | 国产黄在线免费观看 | 亚洲综合网在线观看 | 国产精品一区91 | 91video国产一区| 欧美中文字幕在线观看 | 国产网站在线免费观看 | 国产成人欧美视频在线 | 四虎影永久在线观看精品 | 亚洲国产字幕 | 免费黄色app网站 | 黄图视频在线观看 | 国产精品欧美一区二区三区不卡 | 日韩欧美综合在线二区三区 | 69视频在线 | 久久综合一区二区 | 国产成人性毛片aaww | 亚洲视频网址 | 91不卡视频 | 亚洲欧美日韩在线观看播放 | 四虎影视免费在线观看 | 亚洲 日本 欧美 日韩精品 | 日韩一区在线播放 | 中文字幕日韩一区二区不卡 | www.91亚洲| 日韩欧美中文字幕一区二区三区 | 99精品热女视频专线 | 日本中出视频 | 92精品国产自产在线 | 久久久青草青青亚洲国产免观 | 亚洲天堂v| 男女羞羞视频网站免费 | 狠狠久久久久久亚洲综合网 | 91精品国产麻豆91久久久久久 | 欧美一级免费 | 中国一级毛片视频 | 四虎永久免费地址ww 41.6 | 韩国一级 | 国产乱人视频免费观看 |