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2-丁酮-DNPH

  • 型   號:91782b
  • 類   別:標準品
  • 價   格:250

標準品/乙腈中2-丁酮-DNPH
產品編號:91782b
CAS號:958-60-1
規格:1mL
有效期:2027-04-29
品牌:TMstandard
標準值:1000μg/mL

分享到:

資料下載

乙腈中2-丁酮-DNPH

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) Butanone-DNPH in Acetonitrile,1000μg/mL(乙腈中2-丁酮-DNPH)
Part Number(產品編號)91782b
 
Lot Number(產品批號)-
 
CAS No.958-60-1
 
Mol. Formula(分子式)C10H12N4O4
 
Mol. Weight(分子量)252.23________________________________________
 
Storage Temp(存儲條件)Normal temperature,Keep in the shade
常溫,置于陰涼處
 
Transportation(運輸條件)Normal temperature transportation(常溫運輸)
QC Test Results
ItemTest Results


Analysis method(分析方法)HPLC/DAD


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)2027-Apr-29


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: 抚松县| 益阳市| 泾阳县| 报价| 丹阳市| 新巴尔虎右旗| 六安市| 定南县| 寻乌县| 宝坻区| 巴塘县| 富平县| 竹山县| 新密市| 长海县| 泾源县| 独山县| 遂溪县| 科技| 河池市| 西乌珠穆沁旗| 上饶市| 白朗县| 乌海市| 广东省| 清镇市| 山阴县| 七台河市| 江门市| 临泉县| 呼伦贝尔市| 威信县| 云南省| 镇坪县| 海安县| 天津市| 康定县| 宜昌市| 浙江省| 沧源| 全州县|