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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:

A loose shirt-like garment, worn by women mostly in Gujarat and Rajasthan. The garment was generally worn with short, wide sleeves, open at the neck, loose-fitting on the upper part and really flared...
a) In a weft-knitted fabric, a defect that consists of ill-defined areas of varying density attributable to the use of yarn of irregular thickness. b) In webs and slivers, a defect that consists of...
A machine on which the weaving is done. The warp (lengthwise) threads are secured on the loom through the eyes of heddles and attached to the loom beam at the front of the loom. The filling...
A yarn which differs from the normal construction of single and folded yarns by way of deliberately produced irregularities in its construction. These irregularities are formed by increasing the...
A nonwoven fabric in which the fibres are held together by a bonding material. This may be an adhesive or a bonding fibre with a low melting point. Alternatively, the material may be held together by...

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