Dating Sites that take DNA to Find your Soulmate

Dating Sites that take DNA to Find your Soulmate

Finding the one person to spend the rest of our life with is no easy task! Some romantics may say their true love is written in the stars, but it may be written in your genetic code instead! Or at least that’s what two companies (Instant Chemistry and SingldOut) want to make us believe as they launch their new online dating … [Read more...]

What is Xylene?

What is Xylene?

Xylene is an aromatic hydrocarbon, involving two methyl substitutions in a benzene ring – for this it can also be called dimethylbenzene. The overall molecular formula is C8H10, but it’s sometimes described as C6H4(CH3)2, which more closely reflects its structure. This compound can be synthesised from petroleum refinery … [Read more...]

What is LD50?

What is LD50?

Every time you read an MSDS sheet for a compound, you come across its LD50. This is known as median lethal dose and it represents the dose needed to kill half the members in a particular population under testing over a specific duration (product needs to be delivered all at once). Chemists use this value as an indicator … [Read more...]

Uses of Isopropanol

Uses of Isopropanol

Isopropanol –also known as isopropyl alcohol – is a colourless highly flammable solution with a strong odour. With the formula C3H7OH, it’s the simplest secondary alcohol with the carbon atom in the hydroxyl group (-OH) attached to two methyl groups (-CH3). To reflect this structure, the formula can be written as … [Read more...]

How is Potassium Permanganate Used to Treat Koi?

How is Potassium Permanganate Used to Treat Koi?

The effects of potassium permanganate (KMnO4) to treat koi’s external parasites have been known for over 200 years, but this product can be very dangerous to the fish if not used correctly. If you google it, you’ll find many accounts of very high doses applied to a pond, consequently killing all the fish. Potassium … [Read more...]