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酸鹼值(pH)的意义:纯粹的水是中性,它的酸鹼值是7.0。强酸类加盐酸(HCl),它的酸鹼值是零。强鹼类如氢氧化纳(NaOH),它的酸鹼值是14.0。凡是液体的酸鹼值比7.0小就呈酸性,数值愈小也就表示酸度愈高。反之,液体的酸鹼值比7.0大就呈鹼性,数值愈大也就表示鹼度愈高。正常血液的酸鹼值,据Vanslyke氏的测定为7.25,据Dill氏的测定为7.36-7.44。这都说明了血液的酸鹼值比7.0大,它是鹼性。血液的酸鹼组成:
The significance of pH (pH): pure water is neutral, its pH value is 7.0. Strong acid plus hydrochloric acid (HCl), its pH value is zero. Strong bases, such as sodium hydroxide (NaOH), have a pH of 14.0. Where the pH value of the liquid is smaller than 7.0 was acidic, the smaller the value that higher acidity. Conversely, the pH value of the liquid is more alkaline than 7.0, the greater the value that alkalinity is higher. The normal blood pH, as measured by Vanslyke’s, is 7.25, as measured by Dill’s 7.36-7.44. This shows that the blood pH value greater than 7.0, it is alkaline. Blood acid-base composition: