Consistency of hard butter Highly reactive Can violently react with Chlorine o

Consistency of hard butter highly reactive can

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Consistency of hard butter Highly reactive Can violently react with Chlorine o Potassium (K) Highly reactive Can violently react with Bromine to create Potassium Bromide (KBr) which is present in small amounts in sea salt o Superscript represents the element ( 11 Na ; where the 11 means it’s the 11 th element) ° Salt = electrolyte o Demonstration: Acetic Acid (Vinegar) only conducts electricity WEAKLY o Lemon juice has other salts present, which is why it still conducts (~10mg of other minerals & potassium)
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West of Bolivia: Uyuni Salt Flats West of Uyuni Salt Flats: Chile o Salt is seen on the roads, in the village o Chunks of salt bigger than the size of a Canadian Loonie ($1) ° ° ° Lesson 2 (Minerals II) : Calcium, Phosphorus, Vanadium, Molybdenum & Tin Total amount of minerals we need daily come to about 1  1+ g Relative Amounts o Sodium (Na + ): 6 grams of table salt ~40% is sodium ion = ~2.4g sodium / 6g of salt twice the daily recommended amount Few grains of table salt has ~1mg of sodium 1 grain has ~ 60 μg of sodium Different kinds of salts on the market
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Danger of excessive salt consumption: HYPERTENSION Normal blood pressure: 120/80 (systolic/diastolic) High blood pressure: >140/>90 Treatment used to be blood-letting Now it is just maintained using alternate food such as dill instead of brine-based dill pickle & salt-herb mixture instead of straight up table salt ° ° Potassium (K + ) Can be used to substitute sodium (Na + ) in table salt for those who suffer from high blood pressure Potassium is readily available in many foods o Bananas, most popular (but only #10 in the list of foods) o Potatoes have 50% more K than bananas per gram Na + & K + have different sizes: Na + is smaller o Size is associated with the amount of water that can accumulate around the ion o Balance of these electrolytes is important in the body in terms of how they transport other materials °
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° Iodine (I - ) Solid Does not melt; sublimes Deficiency of ionic iodine causes goiter o Needed by the thyroid gland for fat metabolism o Nobel prize, 1909 Theadore Kocher for thyroid work o Goiter is rare in people who live near the sea (seasalt contains iodine) o 150 μg needed per day to prevent o added to salt (iodized salt) o Costs ~$0.05 USD per year to prevent o Salt in Kazakhstan did not have iodine added to it, a lot of people suffered from goiters. Programs have started to add iodine to salt & schools educate children to eat iodized salt. Program seems to be beneficial ° ° Iron (Fe 2+ ) 2-4 g in the body (hemoglobin) Need 10-20 mg/day Health issues regarding iron levels o Deficiency  anemia o Excess  hemochromatosis (genetic) Body absorbs abnormal amounts of iron Stored in the heart, liver, pancreas & joints Found in: o red meat, broccoli Vitamin C assists in the absorption from the gastrointestinal tract o Fortified foods (such as breads) o Supplements: Geritol, Slow Fe (slow-release) Porphyria (inherited condition) o Explained by Felix Hoppe-Seyler (1871)
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