Cov ntaub ntawv siv rau Ore Detection

Reference Material For Ore Detection Featured Image

Lus piav qhia luv luv:

Certificate of Certified Reference Material Certified Reference Materials for Chemical Composition of Phosphorus, Arsenic, Fluorine, Chlorine thiab Mercury in the Coal GBW (E) 110109.

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Khoom taw qhia

CRM yog siv rau kev tswj kom zoo thiab ntsuas cov cuab yeej tshuaj ntsuam xyuas hauv kev tsom xam ntawm Coal.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.

Certified Values

Table 1. Certified Values for GBW (E) 110109 (k=2)

Tus lej	Cov ntsiab lus	P/%	Raws li */μg/g	F/μg/g	Cl * /%	Hg*/μg/g
GBW(E) 110109	Certified Values	0.008 0	22	158	0.051 ib	0.03 ib
GBW(E) 110109	Tsis paub meej	0.0008	3	11	0.005 ib	0.01 ib

Lus Cim 1: * Qhia tias nws tsis nyob hauv qhov kev pom zoo rau kev tsim khoom ntawm CNAS

Txoj kev tsom xam

Table 2. Txoj kev tsom xam

Kev sib xyaw	Txoj kev
P	Txo molybdophosphate photometric txoj kev ICP-AES
As	HG-ICP-AES HG-AFS
F	Fluorine ion-selective electrode tsom xam Ion chromatography
Cl	Txoj kev potentiometric titrimetric txoj kev Ion chromatography
Hg	Txias atomic absorption spectrometric method AFS Khoom sampling thiab ncaj qha mercury txoj kev tsom xam

Homogeneity Test thiab Stability Inspection

Daim ntawv pov thawj tas sij hawm: Daim ntawv pov thawj ntawm CRM no siv tau txog thaum Lub Rau Hli 1, 2024.

Table 3. Cov txheej txheem rau kev kuaj homogeneity

Kev sib xyaw	Txoj kev tsom xam	Yam tsawg kawg nkaus tus qauv (g)
P	ICP-AES	1
As	HG-ICP-AES	1
F	Fluorine ion-selective electrode tsom xam	0.5
Cl	Txoj kev potentiometric titrimetric txoj kev	0.5
Hg	AFS	0.5

Packing Thiab Cia

Cov ntaub ntawv pov thawj siv tau ntim rau hauv cov iav xim av nrog lub hau yas.Qhov hnyav yog 50 g txhua.Nws raug nquahu kom ua kom qhuav thaum khaws cia.