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

標準物質/甲醇中氯乙烯

標準物質/甲醇中氯乙烯
產品編號:92395h
CAS號:75-01-4
規格:1mL
有效期:2026-08-09
品牌:TMstandard
標準值:5000μg/mL

分享到:

資料下載

甲醇中氯乙烯

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 Vinylchloride in Methanol,5000μg/mL
Part Number92395h
 
Lot Number-
 
CAS No.75-01-4
 
Mol. FormulaC2H3Cl
 
Mol. Weight62.50__________________
 
Storage Temp(20±5)℃,Keep in the shade
QC Test Results
ItemTest Results


Analysis methodGC/MS


Concentration5000μg/mL


Uncertainty1%


Expiry Date2026-Aug-09


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.


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: 《年轻女教师3》在线HD| 日本道av无玛无卡三区| 中国ZLJZLJZLJZLJ免...| 国产CHINESE| 日本无翼乌邪恶大全彩| 津市市| 伊人久久精品一区二区三区| 日本无翼乌邪恶大全彩| 日本三级香港三级人妇少妇| 那坡县| 日本wvvw在线中文字幕| 乌审旗| 亚洲尺码和欧洲尺码专线| 开原市| 欲性游乐场(双性高H)小说| 成全视频观看免费高清第6季| 人善交vide欧美| 日本免费高清毛片无遮挡| 巧家县| 辣妹子影院电视剧免费播放视频 | 亚洲中文无码永久免费| 广宗县| 欧美高难度牲交视频| 苏州市| 婚后1v1啪啪做H高甜| 静安区| 台湾省| 少妇高潮毛片免费观看A京东热| 阿坝| 三年片免费观看大全有| 南通市| 湘潭县| 西峡县| 亚洲视频一区| 亚洲精品一区二区三区成人片| 玉门市| 呼图壁县| 平塘县| 泸溪县| 凤台县| 吴江市|