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Both p H strips and Litmus paper are fast, inexpensive and easy-to-use methods to measure the acidity or alkalinity of a substance, but it's worth noting that p H strips don’t determine the exact p H value.
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The p H scale measures how likely a substance is to give up protons (or H ions) and how likely that substance is to accept protons.
p H strips are considered to be more sensitive than Litmus paper because Litmus paper cannot give quantitative results.
The choice of which method is appropriate depends on the requirements or sensitivity needed for the test.
Both Litmus paper and p H strips are small strips of paper coated with a chemical substance that will undergo a reaction when it comes in contact with the liquid being tested. Red Litmus paper turns blue if it comes in contact with a base, alternatively blue litmus paper turns red with acids.
This is a pass or fail type of test that only works with acidic or basic liquids.To measure the acidity or alkalinity of a liquid people use Litmus paper or p H strips.The p H strips determine the p H value whereas Litmus paper only indicates if the substance is acidic or basic (alkaline).The first known use of litmus was around 1300 CE by Spanish alchemist Arnaldus de Villa Nova.The blue dye has been extracted from lichens since the 16th century. Bess Ruff is a Ph D student of Geography in Florida.She received her MA in Environmental Science and Management from Bren School of Environmental Science & Management, UC Santa Barbara in 2016.The litmus test is a quick method of determining whether a liquid or gaseous solution is acidic or basic (alkaline.) The test can be performed using litmus paper or an aqueous solution containing litmus dye. The blue paper changes to red, indicating acidity somewhere between the p H range of 4.5 to 8.3.(Note, however, that 8.3 is alkaline.) Red litmus paper can indicate alkalinity with a change to blue.Neutral solutions do not cause a change of color, although there are some brands of blue Litmus paper that will turn purple if the substance is neutral.p H strips change color when they come in contact with a solution.