The Ultimate Guide To determinetion of pH value
使用pH试纸，pH试纸有广泛试纸和精密试纸，用玻棒沾一点待测溶液到试纸上，然后根据试纸颜色对照比色卡也可以得到溶液的pH。上方表格就相当于比色卡。A healthier pH equilibrium plays an important role within your Over-all well-staying, and Medical practitioners and experts typically agree on