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What is "pH" - Definition & Explanation

pH is the measure of acidity or alkalinity of a substance. On a scale of 0-14, 7 is neutral (neither acid nor alkaline). Lower than 7 is acidic (gives up a hydrogen atom when added to water) and greater than 7 is alkaline (a base), giving up OH (hydroxide) when added to water. The further away the number is from 7, the "stronger" it is. Each fabric has a preferred pH. PH is also used in water-based cleaning as some soils yield to different pH solutions.

Some other terms

Some more terms:

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Undergarments, also called underwear or sometimes intimate clothing, are clothes worn next to the skin, usually under other clothes. Wearing and changing underwear permits outer garments to be worn...
A linen that is very rugged and substantial in feel. Comes in white or natural shades or could be dyed, printed, striped, or checked. The yarn is strong, irregular in diameter but smooth. Has a...
A term used to describe the uniformity of colour accross a large piece of fabric. In general terms the faster you try and dye something or the greater % of applied dye you try to fix on a fibre the...
The process of applying heat and moisture to fabrics. Steaming is used to fix dyes applied in continuous dyeing processes and printing. It is also used to 'fix' fabrics such as wool and silk and can...

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