欧美精彩视频一区二区三区,国产探花在线精品,国产一区二区毛片,亚洲精品在线一区二区

標準品/乙腈中乙二醇單丁醚

  • 型   號:92367b
  • 類   別:標準物質
  • 價   格:300

標準品/乙腈中乙二醇單丁醚
產品編號:92367b
CAS號:111-76-2
規格:1mL
有效期:2025-03-28
品牌:TMstandard
標準值:1000μg/mL

分享到:

資料下載

乙腈中乙二醇單丁醚

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) Butoxyethanol in Acetonitrile,1000μg/mL(乙腈中乙二醇單丁醚)
Part Number(產品編號)92367b
 
Lot Number(產品批號)-
 
CAS .111-76-2
 
Mol. Formula(分子式)C6H14O2
 
Mol. Weight(分子量)118.18______________________________________
 
Storage Temp(存儲條件)(-18±5)℃,Keep in the shade
冷凍(-18±5)℃,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)(相對擴展不確定度)2%


Expiry Date(失效日期)2025-Mar-28


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

    18168802993

在線客服
主站蜘蛛池模板: 临澧县| 新兴县| 岗巴县| 南郑县| 临澧县| 宁陵县| 商丘市| 阜新| 林州市| 衢州市| 南和县| 澄江县| 芜湖县| 固阳县| 临汾市| 琼海市| 北京市| 驻马店市| 中西区| 荥阳市| 清镇市| 宁海县| 河南省| 德清县| 江北区| 丁青县| 兴海县| 沽源县| 高碑店市| 深水埗区| 曲麻莱县| 墨玉县| 大埔区| 株洲县| 万安县| 磴口县| 墨竹工卡县| 乐清市| 石门县| 蓝田县| 牙克石市|