强壮的公次次弄得我高潮A片日本,日本无码av不卡手机在线观看,久久日产一线二线三线品,久久久国产精品

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
  1. <noscript id="0xiga"><listing id="0xiga"><nav id="0xiga"></nav></listing></noscript>
      <var id="0xiga"><listing id="0xiga"><cite id="0xiga"></cite></listing></var>

      主站蜘蛛池模板: 久草热在线网站观看| 欧美特大特白屁股ass| 欧美整片欧洲熟妇色视频| 保靖县| 欧美牲交a欧美牲交aⅴ| 成品人和精品人是一个牌子吗| 米易县| 明溪县| 欧美日韩视频在线第一区| 日韩av无码| 日本带啪的纯肉动漫| 欧美熟妇| 延长县| 巜饥渴的寡妇2韩国| 无码AⅤ精品一区二区三区| 日本熟妇牲交视频| 蘑菇短视频APP免费版本下载| 乌拉特后旗| 国产精品久久久久久| 公的下面好大弄得我好爽| 日本高清视频在线一本视频| 欧美疯狂party性派对| 金沙县| 日本欧美久久久久免费播放网| 欧美又黄又嫩大片A级| 欧洲熟妇色xxxxx欧美老妇| 大竹县| 日韩精品视频| 日本无码av不卡手机在线观看| 成全影视大全在线看| 久热视频这i里只精品| 日韩10000免费拍拍拍| 成全我在线观看免费观看| 辰溪县| 三年在线观看免费大全| 国产精品A8198V久久A片| 日本不卡一区二区高清更新| 少爷被调教室跪趴SM男男| 久见久热?这里只有精品| 97伦伦午夜电影理伦片| 合山市|