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Designing a detection system for ammonia

The very first gas detection system I ever specified, back in 1994, was for Morlands Brewery in Abingdon.  Long since closed now, they had a refrigeration plant and wanted to detect for ammonia around it.

 

Ammonia is commonly used as a refrigerant and poses some interesting questions when i...

19.02.20 02:41 PM - Comment(s)
Ten places you didn't expect to find carbon dioxide

 

Carbon dioxide is a colourless, odourless gas which is toxic and can have a damaging effect on health long before it would have displaced enough oxygen to asphyxiate someone.  It has a long-term workplace exposure limit of 5000 parts per million (0.5%).

 

Most people know that people b...

12.02.20 05:58 PM - Comment(s)
What do Eva Braun, Neil Armstrong and Frederick the Great have in common?

Hydrogen cyanide is a highly toxic material, which with a concentration in the range of 100–200 parts per million (ppm) in air, will kill a human within 10 to 60 minutes. A hydrogen cyanide concentration of 2000ppm will kill a human in about one minute.  When hydrogen cyanide enters the b...

15.10.19 03:01 PM - Comment(s)
Ten things you didn't know about nitrogen


    

Over 78% of the air around us is nitrogen, yet it is very rarely mentioned as part of gas safety awareness, why is that when it is such an abundant gas?  Maybe its because in itself it isn’t toxic and doesn’t readily react with much, so doesn’t pose quite the same risk a...

09.10.19 02:34 PM - Comment(s)
What are the dangerous gases in the home?

September 15th to 21st is gas safety week, which is an annual event to raise awareness of gas safety and the importance of taking care of domestic gas appliances.  So, what are the gases associated with domestic appliances and why are they so dangerous?

 

Natural ga...

18.09.19 08:55 AM - Comment(s)