Lab 2 notes

Lab 2 notes - September 13, 2007 Experiment 2: Bevo is Dead...

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September 13, 2007 Experiment 2: Bevo is Dead 1. Nitrate poisoning symptoms 1. Rapid pulse 2. Tremors 3. Difficult and loud breathing 4. Chocolate colored mucus and blood 5. Small amounts of nitrate used for growth but large amounts are toxic 1. High amounts develop in plants and water sources 1. Weeds 2. Plant stress 1. Drought 2. Low temperatures 3. Reduced sunlight 3. Contaminated feed 4. Groundwater 1. Fertilizer 2. Decomposing matter manure 2. Nitrate anion converted to nitrite and ammonium cation 1. Ammonium for metabolism 2. nitrite interferes with ability to transport oxygen 1. Nitrate nitrite more rapid than conversion of nitrite to ammonium 2. Dies of asphyxiation 3. Nitrite cause of death/disease it is the nitrAte concentration in the food and water that is toxic 1. Nitrate in forage and water 3. Chemical principles 1. Concentration: the amount of solute present in a solution 1. Engineers = Molality: moles per kilogram of solvent 2. Scientists = ppm and ppb (parts per million/billion) 1. One part in a million is the same as one milligram in a kilogram of solution 2. One part in a billion is the same as microgram in a kilogram of solution
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Lab 2 notes - September 13, 2007 Experiment 2: Bevo is Dead...

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