The standard go-to solution is ferric chloride. It isn’t too tricky to use, but it does work better hot and with aeration, although neither are absolutely necessary. However, it does tend to ...

Developing economies in Asia-Pacific, including China and India, are emerging as significant growth markets due to increasing ...

The study is significant because it offers a way to make our lakes and rivers cleaner and safer. Scientists make ...

Carbonate ions also produce a white precipitate with barium chloride solution. The acid reacts with any carbonate ions present. This removes them, so stopping them giving a false positive result.