Chemical Factors - Komura Flashcards
What are the six allergens?
Pollen
Fungi
Insects
House dust
Foods
Chemical sensitizers
What are the three types of metals we are concerned about?
Alkali metals
Alkali earth metals
Transitional metals
What are the three alkali metals?
Lithium (Li)
Sodium (Na)
Potassium (K)
Lithium
1. Where is it found?
2. What are the health effects?
- removed trace gasses from vacuum tubes, desulfurizer, catalyst, hardeners
- skin and respiratory irritants
Sodium
1. Where is it found?
2. What are the health effects?
- vapor lights, tetraethyl lead alloys
- hydroxides are caustic (NaOH) , nitrates are preservatives (NaNO3), explosives and fireworks (Na2C2O4), peroxides are irritants and corrosive (Na2O2)
Potassium
1. Where is it found?
2. What are the health effects?
- Vapor lights, tetraethyl lead alloys
- Hydroxides are caustive, nitrates are preservatives, explosives
What are the four alkali earth metals?
- Beryllium (Be)
- Magnesium (Mg)
- Strontium (Sr)
- Barium (Ba)
Beryllium
1. Where is it found?
2. What are the health effects?
- fume or dust phosphor lites, non-spark alloy
- pneumonitis, cyanosis, chronic breathing, cardiac failure
Magnesium
1. Where is it found?
2. What are the health effects?
- silicates, light metals alloys
- leukocytes, fume fever
Strontium
1. Where is it found?
2. What are the health effects?
- flares, luminous paint
- fires, bone-seeker d
What is bone seeker?
An element, often a radioisotope, that tends to accumulate in bones of animals and humans
Barium
1. Where is it found?
2. What are the health effects?
- oil and gas drilling
- baritosis pneumonitis
What are the four transitional metals?
- Iron salts
- Chromic acid
- Manganese
- Cobalt
Iron salts
1. Where is it found?
2. What are the health effects?
- mining and welding
- “siderosis,” pneumonia and emphysema, fume fever, respiratory irritant
Chromic acid
1. Where is it found?
2. What are the health effects?
- nichrome heating elements, plating
- spastic and physiological symptoms, pneumonitis