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(biāo)準(zhǔn)品/二氯甲烷中N-二甲基亞硝胺

標(biāo)準(zhǔn)品/二氯甲烷中N-二甲基亞硝胺
產(chǎn)品編號(hào):91851a
CAS號(hào):62-75-9
規(guī)格:1mL
有效期:2026-09-09
品牌:TMstandard
標(biāo)準(zhǔn)值:1000μg/mL

分享到:

資料下載

二氯甲烷中N-二甲基亞硝胺

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(chǎn)品名稱) N-nitrosodimethylamine in Dichloromethane,1000μg/mL(二氯甲烷中N-二甲基亞硝胺)
Part Number(產(chǎn)品編號(hào))91851a
 
Lot Number(產(chǎn)品批號(hào))-
 
CAS No.62-75-9
 
Mol. Formula(分子式)C2H6N2O
 
Mol. Weight(分子量)74.08___________________________________
 
Storage Temp(存儲(chǔ)條件)(2~8)℃,Keep in the shade
冷藏(2~8)℃,置于陰涼處
QC Test Results
ItemTest Results


Analysis method(分析方法)GC/FID


Concentration(濃度)1000μg/mL


Relative Expanded Uncertainty(k=2)(相對(duì)擴(kuò)展不確定度)2%


Expiry Date(失效日期)2026-Sep-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(zhì)檢
  • 電話

    4008-099-669

    手機(jī)

    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: 精国产品一区二区三区A片| 泸州市| 秦皇岛市| 性慾旺盛的肥岳| 欧美又大又硬又粗BBBBB| 临泉县| 静海县| 三根一起进菊眼H男男视频| 成全影视大全在线观看国语| 翼城县| 亚洲?国产 日韩 在线 一区| 国产真实乱人偷精品视频| 少妇出轨做爰高潮A片| 欧美日韩视频在线第一区| 翁与小莹高潮24章| 欧美区一区二区视频在线| 女人国产香蕉久久精品| 民丰县| 欧美尺寸又黑又粗又长| 欧美a级毛欧美1级a大片式放| 宽甸| 欧美人妖aa1片| 久热亚洲精品一区二区| 揭阳市| 欧美曰本—本道免费无码dvd| 固原市| 国产日韩一区二区三免费高清 | 欧美14一18处免费| 嘉鱼县| 日本高清aⅴ毛片免费| 淮滨县| 喀什市| 石林| 亚洲AV剧情永久AV点击进入| 襄垣县| 明水县| 女性| 日本亚洲中文字无码| 康马县| 剑阁县| 南城县|