Kuyerwa kweCd muvhu nematope uchishandisa BFRL atomic absorption spectrophotometer WFX-220 series

2026-03-27

Kuyerwa kweCd muvhu nematope uchishandisa BFRL atomic absorption spectrophotometer WFX-220 series (3).png

Cadmium (Cd), simbi ine chepfu yakawanda ine kufamba kwakanyanya, haiori, uye inounganidza zvinhu zvipenyu, inotyisa zvikuru pakugadzirwa kwezvirimwa uye hutano hwevanhu muChina sezvo ichigona kupinda mumuviri wemunhu kuburikidza nechikafu chinobva muvhu rakasviba.

Nzira dzechinyakare dzekuona cadmium muvhu nemadhaka, dzakadai seGB/T 17140 neGB/T 17141, dziri kuramba dzichishanda zvishoma nezvishoma maererano nekunzwa, kururama, uye otomatiki, uye dzakarongerwa kubviswa. Kunyange zvazvo HJ 803-2016 yazvino ichigona kuona cadmium nemazvo, ichiri kuvimba nekugaya acid kwakaoma kuti ishandiswe kurapa sample pretreatment, iyo inotora nguva yakawanda, inoda simba rakawanda, ine reagent yakawanda, uye inowanzo kukonzera zvikanganiso kana kurasikirwa nesample.

Itsva mweroye HJ 1426-2025

HJ 1426-2025 "Ivhu neMarara - Kuongororwa kweCadmium - Solid Direct Sampling/Graphite Furnace Atomic Absorption Spectrophotometry" standard inopa mhinduro itsva. Nekushandisa tekinoroji yesolid direct sampling, inokunda zvipingamupinyi zvikuru zvenzira dzechinyakare. Iyi nzira yakavimbika, yakasimbiswa nemarabhoritari masere, yakarongerwa kuiswa zviri pamutemo musi wa1 Chikunguru, 2026.

Kuyerwa kweCd muvhu nedhaka uchishandisa BFRL atomic absorption spectrophotometer WFX-220 series (1).png

Hunhu Hwakasimbiswa: Chishandiso Chedu Pamoyo

Sechikamu cheBIIC, BFRL ndeimwe yemarabhoritari masere ekuongorora. Takabatanidzwa nekushingaira mukuita kwekusimbisa nzira dzakaoma dzechiyero ichi chitsva uye takapedza.

Chizvarwa chedu chinotevera cheWFX-220 Series Atomic Absorption Spectrophotometer ndicho chiri pamberi pedanho iri retekinoroji. Kubva muna 2022, chakawana patent yekuChina ye "Positioning Feed Device for Solid Samples" (ZL 2021 1 0013652.9), zvichiita kuti ienderane zvizere nekuongorora kwakasimba kwesampurudzo kwakananga kunodiwa nechiyero chitsva.

Kuyerwa kweCd muvhu nematope uchishandisa BFRL atomic absorption spectrophotometer WFX-220 series (5).png

Kukunda Matambudziko neTekinoroji Yepamusoro

Kushandisa solid direct sampling yekuongorora cadmium ne graphite furnace atomic absorption kunopa matambudziko akadai sekukanganiswa kwakaoma kwe background, kudzora kwakaringana mamiriro e ashing/atomization, uye nzira dzakasiyana-siyana dzekuongorora. WFX-220 Series inotarisa izvi ne:

Kudzora Tembiricha Yedhijitari Yakasarudzika & Kuzvigadzirisa: Inotsigira kupisa kwezvikamu zvakawanda nekugadzirisa mapurogiramu mahara. Inoita kuti kutonga kwetembiricha kuve kwakarurama kupfuura 1% uye kudzokororwa kwetembiricha kuri nani pane 0.5%.
Kushanda Kwakanaka Kwekuongorora:Pakuongorora zvakananga mhinduro dze cadmium standard (0-7 μg/L), kuenzana kwe >0.999 uye RSD ye
Sisitimu Yekugadzira Nzira Yemagasi Matatu:Iine simba rekutonga rakazvimirira remukati, kunze, uye kuyerera kwegasi diki. Iyi nzira itsva inowedzera hupenyu hwemachubhu egraphite, inowedzera kugadzikana kwechiratidzo, uye inowedzera zvakanyanya huwandu hwekuongorora, zvichigonesa kuongororwa zvakananga kwe cadmium ine huwandu hwakawanda mumadhaka kusvika 180 μg/L zvichikwira.

Kuyerwa kweCd muvhu nematope uchishandisa BFRL atomic absorption spectrophotometer WFX-220 series (4).png

Kubatsira kweSolid Direct Sampling

Tekinoroji iyi inobvumira kuiswa zvakananga kwesampuli dzevhu dzakagadzirwa muchoto chegrafiti. Nekungogadziriswa kwemakemikari mashoma uye kuwedzerwa kwemuchina wekugadzirisa matrix, ongororo chaiyo inowanikwa. Zvichienzaniswa nenzira dzechinyakare, zvinotevera:

Zviri Nyore Uye Zvine Hushamwari Nezvakatipoteredza
Inokurumidza uye Iri Nyore
Inoshanda Zvakanyanya Uye Yakarurama

Nekubvisa maitiro ekugaya, zvinodzivirira zvikanganiso zvine chekuita nazvo, zvinoderedza njodzi dzekurasikirwa nesampuro uye kusvibiswa, uye zvinovandudza zvakanyanya kushanda kwekuongorora.