Chemical Elements

Coconut water

O.N.E. Coconut Water HK$24 for 330ml, Nature's Village

Tuesday, 8 May, 2012, 12:00am

Cookware maker and CCTV locked in war of words

Supor, one of the major cookware brands on the mainland, is engaged in a war of words with China Central Television over a report that its low-end cooking utensils contain four times more manganese than allowed by national standards.

Manganese is a heavy metal that can damage the nervous system and lead to Parkinson's disease.

21 Feb 2012 - 12:00am

Rare earth prices to stay high for years

Prices of rare earth metals, a group of minerals used by the electronics- and clean-energy industries, are expected to remain high in the next few years after a substantial correction in this year's second half.

28 Nov 2011 - 12:00am

Miners bleed in panic selling

It was a bloodbath for Asian miners yesterday as investors forecast that slowing growth on the mainland would stop the nation gobbling up resources.

24 Sep 2011 - 12:00am

Danger Lurks amid bling of nickel jewels

Buyers of inexpensive but shiny jewellery beware: it is likely to contain a metal that, while almost unregulated and requiring no labelling, can cause serious skin problems.

17 Sep 2011 - 12:00am

A balanced diet the key to shiny, healthy hair

Tracy asks: What can I eat to keep my hair smooth and vibrant?

22 May 2011 - 12:00am

Beijing sets production limit for strategic metals

China has set production ceilings for five non-ferrous metals - for which it is among the world's leading producers and reserve holders - in a move to control output and pricing for these strategic metals.

26 Apr 2011 - 12:00am

Toxic fumes put four in hospital

Toxic fumes created by the mixing of two cleaning solutions sent four cleaners to hospital yesterday, one in critical condition.

19 Apr 2011 - 12:00am


Ignore salt rumours, help the victims

Hongkongers have been very worried about fallout from Japan's damaged Fukushima nuclear power plant. Small amounts of radioactive iodine were detected in some mainland provinces. Fortunately, levels have been too low to pose a health risk.

8 Apr 2011 - 12:00am

Radiation dust negligible, says Observatory

7 Apr 2011 - 12:00am

Study finds high levels of metals in shellfish

Heavy metal levels in three species of shellfish commonly available in local restaurants exceed the legal limit by up to 15 times, a City University study has found.

Cadmium, a heavy metal used in producing batteries, was found in all eight types of shellfish tested by the university's biology and chemistry department.

3 Mar 2011 - 12:00am

How's your chemistry?

Here are sample questions from Polytechnic University's Secondary School Maths and Science Competition. This week, test your chemistry. For other questions (and answers to last week's maths questions), go to

1 Caesium (Cs) is an element in Group I of the periodic table. Which of the following statements about caesium is INCORRECT?

24 Feb 2011 - 12:00am

Health ornaments don't live up to promoters' claims

Portugal and Real Madrid soccer star Cristiano Ronaldo tried to get some extra zip from an energy bracelet but the promoters were later forced to admit that they were no more useful than a rubber band.

16 Feb 2011 - 12:00am

Fears rise over heavy metals in mainland rice

After many food safety scandals - including the infamous melamine-tainted milk that sickened 300,000 children more than two years ago - mainlanders now fear that rice, the major staple in their diets, is also not safe.

16 Feb 2011 - 12:00am

Attempt to corner the rare earth market doomed to fail

Beijing is tightening its squeeze on the world's supply of rare earth elements. Yesterday China's customs department revealed that the country's rare earth exports fell to just 829 tonnes in October. That's just a quarter of average monthly exports over the first nine months of the year.

24 Nov 2010 - 12:00am