GlobalSpec8 小时
Understanding pH and its key industrial applications
The pH scale ranges from 0 to 14, with 0 being highly acidic and 14 being highly alkaline. A pH value of 7 is considered ...
Acsh.org23 小时
Don’t Go Near the (Alkaline) Water
Once there was a company called AffinityLifeStyles.com. It sold Alkaline Waters – and got into “hot” water. It’s now bankrupt ...