Thaum cov concentration nce ntawm 2% mus rau 25%, tus nqi ntawm cov tshuaj hydrochloric acid nce 10 zaug. Thaum cov tshuaj hydrochloric acid yog siv rau pickling steel hlab, qhov zoo tshaj plaws concentration yog li ntawm 2% mus rau 26%, thiab qhov zoo tshaj plaws kub ntawm 30 degree mus rau 60 degree.
Dab tsi yog qhov zoo tshaj plaws kub thiab concentration rau acid pickling?
Oct 25, 2024
Xa kev nug
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