How Do We Use Indicators

The colour of an indicator alters when the acidity or the oxidizing strength of the solution or the concentration of a certain chemical species reaches a critical range of values. This is a quote from George Lane the inventor of the STOCHASTIC indicator.

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Process indicators measure the programs activities and outputs direct productsdeliverables of the activities.

How do we use indicators. Common examples of indicators include. Participation rates attitudes individual behaviors incidence and prevalence. PH indicators are used to give a rough value of pH of a chemical solution.

Indicators can be broadly categorized into economic indicators and technical indicators. Input indicators measure the contributions necessary to enable the program to be implemented eg funding staff key partners infrastructure. Spectroscopic pH measurements using a single acid-base indicator are accurate to within one pKa value.

Together measures of activities and outputs indicate whether. An internal indicator is mixed in with the reactants and typically provides a visual prompt while an external indicator is an electrochemical apparatus. An indicator is a substance that changes colour when it is added to acidic or alkaline solutions.

The STOCHASTIC indicator shows us information about momentum and trend strength. Stochastics measures the momentum of price. Key Elements Examples of key elements of an indicator.

Economic indicators are statistical metrics used to measure the growth or contraction of the economy as a whole or sectors within the economy. They should be defined before the project starts and allow us to monitor or evaluate whether a project does what it said it would do. Indicators are clues signs or markers that measure one aspect of a program and show how close a program is to its desired path and outcomesIndicators are realistic and measurable criteria of project progress.

As we will see shortly the indicator analyses price movements and tells us how fast and how strong the price moves. An indicator can either be internal or external. Indicators are statistics used to measure current conditions as well as to forecast financial or economic trends.

You can prepare homemade indicators from red cabbage or beetroot juice - these will help you see if. General Purpose Uses of Chemical Indicators Chemical indicators are useful in chemistry primarily to identify when a reaction has undergone a chemical change or reached completion. The common application of indicators is the detection of end points of titrations.

The function of an indicator in a titration process is to determine the equivalence point when two solutions have reached neutralization. For precise measurements a pH meter is used. As a company grows sometimes there can be an increasing sense of distance between the organizations achievements and the individuals efforts toward them.

Here are three big and most common categories of indicators. The idea of using chemical indicator is to represent chemical concentrations with visible signals. Learn all about the different indicators used in Chemistry including the universal indicator litmus in the form of litmus paper phenolphthalein and methyl.

The indicators you select should answer your evaluation questions and help you determine whether or not your program objectives have been achieved. When we hit those numbers there is a sense of ownership in our work and recognizable evidence of our contribution to the team. Alternatively absorbance spectroscopy may be used with a pH indicator to calculate the pH using Beers law.

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