what equipment is used to measure ph?
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PH meter, electric device used to measure hydrogen-ion activity (acidity or alkalinity) in solution. Fundamentally, a pH meter consists of a voltmeter attached to a pH-responsive electrode and a reference (unvarying) electrode.
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Test instruments or meters are the most common pieces of electrical equipment that measure these values. Voltmeters are used to measure voltage;ammetersare used to measure current; ohmmeters are used to measure resistance; and watt meters are used to measure power.
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['Measuring spoons.', 'Dry measuring cups.', 'Liquid measuring cups.']
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['Weighing scales - used to weigh fish and meat.', 'Measuring spoons - used to measure the right amount of substance like sugar or salt.', 'Measuring cups - used to measure liquid substances.', 'Knives - used to cut fish or meat.', "Scissors - used to trim fish's fins.", 'Oil drum - serves as container for salted fish.']
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A barometer and a pressure gauge are instruments used to measure pressure. There are others, but these two are the most common.
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You probably never thought chemistry could help you choose the best cleaning supplies for the job. The pH scale is used to determine how acidic or alkaline different solutions are. ... And anything above 7 is considered alkaline. Dish soap comes closest to being a neutral cleaner.
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The pH is a measure of the concentration of hydrogen ions in an aqueous solution. pKa (acid dissociation constant) and pH are related, but pKa is more specific in that it helps you predict what a molecule will do at a specific pH. ... The relationship between pH and pKa is described by the Henderson-Hasselbalch equation.
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If the concentration of hydrogen ions (H+) in the liquid is high, it is acidic. If the concentration is low, it is basic (alkaline). This means that when the concentration of hydrogen ions is measured, the acidity, neutrality, and alkalinity, as well as the respective degree can be discovered.
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INTRODUCTION. pH is a unit of measure which describes the degree of acidity or alkalinity of a solution. It is measured on a scale of 0 to 14. The term pH is derived from “p,” the mathematical symbol for negative logarithm, and “H,” the chemical symbol for Hydrogen.
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['Liquid Measuring Cups. Liquid and dry ingredients need separate kinds of measuring tools. ... ', 'Dry Ingredients Measuring Cups. ... ', 'Measuring spoons. ... ', 'Scale. ... ', 'Instant – Read Thermometer. ... ', 'Oven Thermometer. ... ', 'Timer.']
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People confuse pH vs. alkalinity and we can understand why. Just remember that pH is an equilibrium that functions like a scale measuring how acidic or how basic a substance is. Total alkalinity measures the amount or concentration (in parts per million) of dissolved bicarbonate, carbonate and hydroxide ions.
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The pH scale goes from 1-14, with pH7 being completely neutral, i.e water. Anything with a very low pH is acidic, while substances with a high pH are alkaline.
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pH strips are a cheap and relatively accurate way of measuring the pH of any liquid, in our case urine. A strip of filter paper is soaked with different pH indicators (more on that later), allowed to dry and voila: pH strips. Most common pH strips are designed to test urine, water and saliva.
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In Part B, a beaker and a graduated cylinder will be used to measure liquid volume in milliliters (mL). In Part C, an electronic balance and a triple-beam balance will be to measure mass in grams (g).
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pH and kH. ... Since your pH is a direct measure of [H+] in your system, kH directly impacts pH. And remember that high [H+] = more acidic and low [H+] = more basic. (For those of you who are confusing this with gH, or total hardness: gH measures the amount of calcium and magnesium in your water.
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A strong acid, like hydrochloric acid, measures 0 to 1. Products like bleach, lye and Drano are on the alkaline side of the scale. Drano registers at 11, which translates to 10,000 times higher than normal. Minerals and pollutants are responsible for altering pH levels.
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Medical Definition of pH pH: A measure of the acidity or alkalinity of a fluid. ... Mathematically, the pH is the logarithm (to the base 10) of the reciprocal of the hydrogen ion concentration, [H+]. The pH is approximately equal to the negative logarithm of the H+ ion concentration expressed in molarity.