For a lot of reasons, home etching of PCBs is somewhat of a dying art. The main reason is the rise of quick-turn PCB fabrication services, of course; when you can send your Gerbers off and receive ...

Copper sulfate has been used in agriculture since the 1800s, at least. In the U.S. it is widely used as a fungicide on organic and conventional crops, and it is also found in some fertilizer products.

With the monsoon a fortnight away, arecanut growers are preparing to spray Bordeaux mixture, a fungicide containing copper sulphate, on their crops. However, the price of copper sulphate has increased ...

Copper sulfate (This is available via pet or aquarium stores and is used to combat algae or it is sold by home improvement stores as a root killer. Make sure the product is pure copper sulfate and ...

Tossed circuit boards are about 20% copper, a much larger fraction than the roughly half a percent in copper ore mined from the ground. That percentage, plus the growing mounds of global electronic ...

Speaker one In this practical we will be making a soluble salt called copper sulfate which is used to treat fungal diseases, such as foot rot in cattle. Speaker two Yep, something I struggle with ...

Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences, Vol. 203, No. 1074 (Oct. 10, 1950), pp. 375-391 (17 pages) Thermodynamic measurements have been made at ...

Copper sulfate, which is used as an organic fungicide and as fertilizer, is toxic to an important bee pollinator known as Friesella schrottkyi, Brazilian researchers have found. Copper sulfate has ...