20220326141712

EDTA tetrasodium tote (EDTA 4NA), CAS#64-02-8

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EDTA tetrasodium tote (EDTA 4NA), CAS#64-02-8

CAS#: 64-02-8
Te rāpoi ngotaTātai: C10H12N2O8Na4·4H2O
Whakamahinga: Ka whakamahia hei taputapu whakamahana wai, hei whakakorikori i te rapa waihanga, hei taapiri mo te taarua me te tae tae, hei taapiri horoi.
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Taipitopito Hua

Tohu Hua

Whakatakotoranga:
Te ahua: Te paura ma, te paura karaihe ma ranei
Te kakara: Kaore he kakara
Maamaa: ≥99.0%
pūhaumāota: ≤0.01%
Putakawa: ≤0.05%
Rino(Fe): ≤0.001%
Te whakarewa taumaha(Pb): ≤0.001%
Uara Chelate(mgCaCO3/g): ≥220
PH: 10.5-11.5
Ira whakarewa: >300 ℃
Tapaki: 25kg / putea
Wairewa: Ko te EDTA 4NA he wairewa ki te wai me te waikawa, karekau ki te waipiro me te benzene.
Pūmautanga: Stable.He hotokore ki te kaha o te waiora.
Nga tikanga rokiroki: Whakaorangia ki te waahi makariri, whai hau me te maroke, maru i te ra me te ua.

Te tukanga hua:
Ka whiwhi mai i te tauhohenga o te ethylenediamine me te waikawa chloroacetic, mai i te tauhohenga ranei o te ethylenediamine me te formaldehyde me te konutai cyanide.

Āhuatanga:
Ko te EDTA 4NA he paura tioata ma kei roto e 4 te wai tioata, he ngawari ki te wairewa i roto i te wai, he kawakore te wairewa wai, he iti te wairewa i roto i nga whakarewa pararopi penei i te waihano, ka ngaro tetahi waahanga, te katoa ranei o te wai karaihe i te teitei teitei.

Nga tono:
Ko te EDTA 4NA he katote katote e whakamahia nuitia ana.
1. Ka taea te whakamahi i roto i te ahumahi pueru mo te tae, te whakapai ake i te tae, te whakapai ake i te tae me te kanapa o nga papanga tae.
2. Ka whakamahia hei taapiri, hei whakakorikori, hei katote whakarewa me te kaiwhakaoho i roto i te umanga rapa butadiene.
3. Ka taea te whakamahi i roto i te ahumahi kiriaku maroke hei whakakore i te pokanoa whakarewa.
4. Ka taea hoki e EDTA 4NA te whakamahi i roto i te horoi horoi wai hei whakapai ake i te kounga horoi me te painga horoi.
5. Ka whakamahia hei whakamahana wai, hei horoi i te wai, whakamahia mo te maimoatanga o te kounga o te wai.
6. Ka whakamahia hei whakakorikori rapa waihanga, te kaitapa polymerization kiriaku, he awhina mo te ta me te tae, me era atu.
7. Ka whakamahia hoki mo te titration i roto i te wetewete matū, a ka taea te titrate tika i nga momo katote whakarewa.
8. I tua atu i nga whakamahinga o runga ake nei, ka taea hoki te whakamahi i te EDTA 4NA i roto i te rongoa, te matū o ia ra, te hanga pepa me etahi atu ahumahi.

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