Certified Reference Material of Benzoic Acid

cov khoom

Cov ntaub ntawv pov thawj ntawm Benzoic Acid

Lus piav qhia luv luv:

Lub CRM yog siv rau kev txheeb xyuas / ntsuas ntawm oxygen foob pob calorimeter.Nws kuj yog siv rau kev ntsuam xyuas thiab kev txheeb xyuas qhov tseeb ntawm txoj kev tshuaj ntsuam xyuas.CRM tuaj yeem siv rau kev ntsuas tus nqi calorific hauv hluav taws xob, thee, kev lag luam tub rog, kev tshawb fawb thiab lwm yam haujlwm.


Product Detail

Khoom cim npe

Kev npaj khoom siv

CRM yog siv rau kev tswj kom zoo thiab ntsuas cov cuab yeej tshuaj ntsuam xyuas hauv kev tsom xam ntawm Iron Concentrate.Nws kuj yog siv rau kev ntsuam xyuas thiab kev txheeb xyuas qhov tseeb ntawm txoj kev tshuaj ntsuam xyuas.CRM tuaj yeem siv rau kev hloov pauv ntawm tus nqi ntsuas.

Benzoic Acid (1)
Benzoic Acid (2)

Certified Values ​​thiab Uncertainty

Table 1. Certified Values ​​for Benzoic Acid

Tus lej Lub npe Certified Tus Nqi * (J / g) Tsis paub meej (J/g) (k=2)
GBW (E) 136695 Benzoic Acid 26456 ib 25

Lus Cim: Cov ntawv pov thawj tus nqi ntawm cov khoom siv benzoic acid raug kho los ntawm cov kua qaub, nws yog tag nrho cov txiaj ntsig calorific ntawm qhov ntim tas li.

Txoj kev tsom xam

Lub foob pob calorimeter yog siv los ua cov ntsuas no.

Homogeneity Test thiab Stability Inspection

Nees nkaum lub raj mis raug xaiv los txiav txim siab qhov kev txiav txim ntsuas.Ib qho kev ntsuam xyuas cov qauv raug xaiv los ntawm txhua lub raj mis, thiab txoj kev yog lub foob pob calorimeter.Variance (F) xeem yog siv los ntsuas qhov sib xws ntawm CRM, thaum Fα, qauv yog homogeneous.

Daim ntawv pov thawj tas sij hawm: Daim ntawv pov thawj ntawm CRM no siv tau txog thaum Lub Ob Hlis 1, 2031.

Packing thiab Cia

Cov ntaub ntawv pov thawj siv tau ntim rau hauv lub raj mis yas nrog lub hau yas.Qhov hnyav hnyav yog li 35g txhua lub raj mis.Nws raug nquahu kom ua kom qhuav thaum khaws cia.

Co-operating Laboratories

National Steel Materials Testing Center

Technology Center ntawm Benxi Hlau & Steel Group Co., Ltd

Yantai ceg, 52 Institure ntawm Tuam Tshoj Industries Group

Wuhan Iron thiab Steel Group Technology Center Tshawb xyuas

Baoshan Hlau & Hlau Co., Ltd. Tshwj xeeb Steel ceg

Lub Tsev Kawm Ntawv ntawm Chemistry thiab Chemical Engineering, Shandong University

Shandong Metallurgical Research Institute Test Center

Shandong Metallurgical Khoom Zoo Saib Xyuas thiab Chaw Tshawb Fawb

Jinan Hlau thiab Steel Group Corporation

Laboratory

Lub npe: Shandong Institute of Metallurgical Science Co., Ltd.

Chaw nyob: 66 Jiefang East Road, Jinan, Shandong, Suav teb;

Lub Vev Xaib:www.cncrms.com

Emai:cassyb@126.com

New standard coal1

Pom zoo los ntawm: Gao Hongji

Laboratory Director

Hnub tim: Lub Ob Hlis 1, 2021


  • Yav dhau los:
  • Tom ntej:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb