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Kev siv ferrous sulfate hauv cov cement

Sijhawm: 2020-11-13 Ntaus: 433

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Ferrous sulfate monohydrate feem ntau yog siv los ua tus neeg sawv cev hauv kev lag luam cement kom ua tiav Cr(VI) cov ntsiab lus tsawg dua 2 mg / L. Nyob rau hauv 30% monohydrated daim ntawv, ferrous sulfate yog thawj siv los ntawm cov cement lag luam los txo hexavalent chromium. Cov khoom no yog cov kev txhim khu kev qha thiab huv tshaj plaws uas cov tuam txhab cement tuaj yeem siv nrog rau lwm cov kev xaiv hauv khw.

Ferrous sulfate monohydrate loj granular yog cov khoom tseem ceeb ntawm RECH CHEMCAL. Cov khoom no tau siv dav hauv kev lag luam cement los ntawm European thiab Asmeskas cov neeg siv khoom. Yog tias koj muaj kev thov rau ferrous sulfate, peb yuav yog koj tus neeg muag khoom txhim khu kev qha.

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