WHILE attempting to isolate and identify pyridme nucleotide-dependent and enzymatically-formed aldehydes and α-keto acids as their 2,4-dinitrophenylhydrazone derivatives, it was noted that derivatives ...

Some schools are being forced to call in bomb disposal teams to blow up an out-of-date chemical which may be lurking in cupboards. Advice has been sent out warning science teachers to check their labs ...

Fears were sparked over a science lab chemical known as 2,4-DNPH, which can become dangerous if allowed to dry out. It comes after Explosive Ordnance Disposal officers were called Halewood Academy on ...

Bomb disposal experts were sent out to more than 50 schools across Northern Ireland amid fears over a potentially dangerous chemical. The Army carried out dozens of controlled explosions of 2,4 ...