Gases - Sulpher Dioxide

Question 1

What is the chemical symbol of Sulphur Dioxide?

Answer 1

SO2

Question 2

What is the specific gravity of Sulphur Dioxide?

Answer 2

2.2

Question 3

What are the characteristics of Sulphur Dioxide?

Answer 3

Colourless,
Pungent, suffocating odour and
intolerable acidic taste

Question 4

Legal Limits for Sulphur Dioxide?

Answer 4

LTEL - 2ppm, MEL - 5ppm

Question 5

Effects on a person

0.3 - 1ppm?

Answer 5

Threshold for smell or taste

Question 6

Effects on a person

3ppm

Answer 6

Odour detectable

Question 7

Effects on a person

6 - 12ppm

Answer 7

Nose and throat Irritation

Question 8

Effects on a person

20ppm

Answer 8

Chronic respiratory symptoms

Question 9

400-500ppm

Answer 9

Immediate danger to life

Question 10

Is Sulphur Dioxide combustible?

Answer 10

No

Non-combustible

Question 11

Flammable Limits?

Answer 11

Non-Flammable

Question 12

Detection of Sulpher Dioxide?

Answer 12

Electrochemical sensor, detector tubes, and human senses - smell and taste

Question 13

Where can you find Sulpher Diioxide in a mine?

Answer 13

Found in mines if oxidation occurs with sulphide deposits in coal.
Also found in diesel exhausts