potential acidity

60) ,and the retro-titration method was used to get the acidity and potential acidity of particulate matters.

60稀硫酸溶液中,用反滴法测定了颗粒物在酸性条件下的酸度和潜在酸性,评价了实际大气环境下颗粒物对降水酸化的影响。