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Let us now see the difference between soap and detergent:
Soap | Detergent |
| The sodium salt of long-chain fatty acids makes up the soap. | Sodium salts of sulphonic acids make up the detergent. |
| \(-COO^-Na^+\) is the ionic part of the soap. | \(-SO_3^-Na^+\) is the ionic part of detergent. |
| Soap is manufactured from animal fats or vegetable oils. | Detergents are obtained from hydrocarbons extracted from crude oil. |
| The effectiveness of soap reduces in hard water. | Detergents are effective in hard water. |
| Soap forms a scum in hard water. | Detergents do not form scum in hard water. |
| Soap has a poor foaming capacity. | Detergents have a rich foaming capacity. |
| They are biodegradable. | They are mostly non-biodegradable. |
Have you ever noticed the term "TFM" mentioned on the soap cover?:
Total Fatty Matter (TFM):
The Bureau of Indian requirements stipulates that the total fatty rely (TFM) on in a bathing bar must be much less than \(60%\), however, not less than \(40%\), while that in a cleaning soap has to be over \(60%\) but less than \(76%\).
The TFM quantity describes the pleasantness of a soap. It provides moisturizing residences to the product, leaving your skin deeply cleansed but gentle and supple. Higher the TFM, the better the soap is.
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