Scientists previously believed arsenite could only be turned into the less harmful form, called arsenate, with oxygen. But ...

While they are all considered far safer than the arsenic-containing chromated copper arsenate (CCA) which was commonly used to treat wood until 2003, there are still additional safety steps to ...

Polly says 15,441 lb. of waste pesticides were collected. This included old containers of long-banned products such as lead arsenate, aldrin, toxaphene, and dieldrin. If there’s not an upcoming ...

Residues from the decades of use of lead-arsenate insecticides linger in agricultural soil today, even though their use was banned in the 1980s. Other arsenical ingredients in animal feed to ...

Scientists previously believed arsenite could only be turned into the less harmful form, called arsenate, with oxygen. But this new study has shown it can still be oxidised, even in the absence of ...

the association’s leaders discovered the tree had been poisoned with lead arsenate. Yet Johnston remained steadfastly focused on research and became the Big Thicket Association’s chief clerk.

The first generation is exemplified by arsenate of lead; the second, by DDT. Now insect hormones promise to provide insecticides that are not only more specific but also proof against the ...

Raised-bed gardening has become a popular practice. Smaller lots and families have led to the downsizing of planting areas and the amount of produce needed. Raised-bed gardening is fun and enjoyable ...

Provenance: an English private collection Contact Bonhams London Description: LOT 134 A PAINTED ENAMEL 'ROMAN MYTHOLOGICAL' ...

Materials like periodically poled lithium niobate (PPLN) and potassium titanyl arsenate (KTA) are commonly used in OPO devices. Nonlinear optical crystals are extensively used for frequency conversion ...

The first generation is exemplified by arsenate of lead; the second, by DDT. Now insect hormones promise to provide insecticides that are not only more specific but also proof against the ...

Scientists previously believed arsenite could only be turned into the less harmful form, called arsenate, with oxygen. But this new study has shown it can still be oxidised, even in the absence of ...