国产精品一区二区三麻豆-最近中文字幕在线免费视频-2021最新最全国产精品-午夜福利av日韩精品

標準品/甲醇中甲基叔丁基醚

  • 型   號:91356d
  • 類   別:單標
  • 價   格:220

標準品/甲醇中甲基叔丁基醚
產品編號:91356d
CAS號:1634-04-4
規格:1mL
有效期:2025-09-27
品牌:TMstandard
標準值:2000μg/mL

分享到:

資料下載

甲醇中甲基叔丁基醚

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) Methyl-tert-butyl Ether in Methanol,2000μg/mL(甲醇中甲基叔丁基醚)
Part Number(產品編號)91356d
 
Lot Number(產品批號)-
 
CAS  .1634-04-4
 
Mol. Formula(分子式)C5H12O
 
Mol. Weight(分子量)88.15_______________________________________
 
Storage Temp(存儲條件)(-18±5)℃,Keep in the shade
(-18±5)℃冷凍,置于陰涼處
QC Test Results
ItemTest Results


Analysis method(分析方法)GC/FID


Concentration(濃度)2000μg/mL


Relative Expanded Uncertainty(k=2)(相對擴展不確定度)2%


Expiry Date(失效日期)2025-Sep-27


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
主站蜘蛛池模板: 欧美后入式狂射在线| 欧美成人精品第一区二区三区在线 | 精品人妻一区二区三区在线影视| 国产精品污污在线观看入口| av国产一区二区三区四区| 人妻3p真实偷拍一二区| 嗯嗯叫大声点骚货使劲怎么啦| 日韩熟女中文字幕视频网| 国产美女张开腿让男人操| 亚洲国产精品卡一卡二| 小少妇久久久久久久精品| 日本在线最新视频一区二区三区| 五月开心六月丁香欧美| 人妻中文字幕在线四区| 国产免费一区二区三区免费| 青青操手机视频免费版| 中文字幕中文字幕一区三区| 亚洲熟女熟妇裸体视频| 午夜激情福利在线观看| 一区二区三区亚洲中文字幕| 午夜福利大片亚洲一区| 狠狠色噜噜狠狠狠狠av厨房| 日韩一区二区乱码在线| 精品廣大網友提供最新影片| 美女被操成人网站观看| 国产偷拍精品一区二区| 99精品在线免费观看视频| 少妇一区二区三区高清| 哺乳期露出奶头一区二区三区| 亚洲二区三区四区在线播放| 国产午夜福利精品久久不卡| 人妻少妇精品视频在线中文字幕 | 中文字幕人妻丝袜二区| 天天射影院天天射综合网| 久久精品亚洲精品毛片| 大杳焦伊人久久综合福利| 99视频这里只有精品免费| 亚洲成aⅤ人片在线观看| 北舞芭蕾三级考级视频| 老司机精品成人影片免费观看| 国产又大又粗又长硬又爽视频|