Particulate matter concentration from filtered water bottle AT_II-119/4_20-6

Dregs means the water below the spigot was sampled on a separate filter. MP means a Millipore filter funnel was used to filter the water rather than in-line filtration because...Dregs指将旋塞下方的水样通过单独滤膜进行过滤取样的处理方式。MP指采用密理博滤膜漏斗完成水样过滤，而非使用在线过滤方式，原因在于……