75% Phosphoric Acid ntom

CAS

7664-38-2

Cia

Khaws nws nyob rau hauv ib lub thawv airtight nyob rau hauv ib qho chaw txias, zoo-ventilated qhov chaw. Khaws kom deb ntawm iav, roj hmab, yas, thiab xim.

Safe cia tej yam kev mob:Qhuav thiab cais los ntawm cov khoom siv tsis sib xws. qhov cua.

Safe Handling Precautions:

Kev sib cuag nrog cov ntaub ntawv tsis sib xws raug txwv; Saib kev tuav pov hwm tshuaj lom neeg hauv thaj chaw zoo. Hnav khaub ncaws tiv thaiv zoo. Tsis txhob kov ntawm daim tawv nqaij thiab qhov muag. Tsis txhob tsim cov hmoov av thiab aerosols. Siv cov cuab yeej uas tsis muaj teeb meem. Tiv thaiv hluav taws los ntawm static paug vapors.

Daim ntawv thov

Phosphoric acid, nrog rau qhov ntom ntawm 75%, feem ntau yog siv rau ntau yam kev lag luam thiab kev ua liaj ua teb. Raws li ib tug muaj zog acid, nws muaj ntau siv nyob rau hauv txawv industries. Nov yog qee qhov kev siv ntawm 75% phosphoric acid ntom:

1. Kev lag luam Agrochemical: Phosphoric acid yog dav siv hauv kev lag luam ua liaj ua teb ua chiv. Thaum diluted nrog dej, nws yog siv los acidify cov av kom muaj kev loj hlob zoo ntawm cov nroj tsuag. Nws kuj yog siv los tsim ntau hom phosphate chiv.

2. Kev lag luam khoom noj khoom haus thiab dej haus: Phosphoric acid feem ntau yog siv rau hauv kev tsim cov dej qab zib, dej haus kis las, thiab lwm yam dej haus carbonated. Nws kuj yog siv los ua pH adjuster hauv qee cov zaub mov kaus poom thiab ua tus neeg sawv cev tsw.

3. Kev kho dej: 75% phosphoric acid feem ntau yog siv los ua kom huv ntawm cov dej. Nws yog ntxiv rau cov dej los kho cov pH sib npaug thiab tshem tawm impurities.

4. Kev tsim tshuaj lom neeg: Kev lag luam tshuaj siv phosphoric acid los tsim cov tshuaj sib txawv, xws li tshuaj ntxuav tes, nplaim hluav taws, thiab ntau hom phosphates. Nws kuj yog siv los ua ib qho catalyst hauv tshuaj lom neeg cov tshuaj tiv thaiv.

5. Metalwork: Phosphoric acid yog siv los ua etchant thiab tu tus neeg sawv cev hauv kev lag luam hlau. Nws yog siv los tshem tawm xeb thiab lwm hom impurities nto ntawm cov hlau.