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Search term: types-of-surfactants

The chemistry of shampoo.

... looking at shampoo's ingredients, one thing you have to focus on is surfactants. The major types of surfactants are anionic, cationic, nonionic, and amphoteric ... and used in low quantities, they are safe and usefully. Some examples of surfactants that might be found in shampoos are: Ammonium Lauryl Sulfate-very ...

(6 pages) 96 0 4.5 05/Mar/2003

Subjects: Science Essays > Chemistry

Biochemical processes and strutural attributes of the human respiratory system

... than a second, with every beat of the heart. Extrinsic control Two major types of nerves also travel to the heart ... passive; lungs contract due to elasticity, and the surface tension of the alveoli (from surfactant); the intercostals and diaphragm relax, and ...

(11 pages) 124 1 4.6 25/Feb/2003

Subjects: Science Essays > Biochemistry

Soaps and Detergents By: Nicole Renzi Chemistry 102 Laboratory Section 24, Project 17 final lab report Instructor: Fan Yang February 27th 2012

... H2O ⇋ Ca2+ + 2HCO3- Temporary hardness is a type of water hardness caused by the presence of dissolved carbonate minerals (calcium carbonate ... than basic soap being added to a washer machine. Surfactants act as an emulsifier preventing oily soils from ...

(12 pages) 3 0 0.0 01/Apr/2013

Subjects: Science Essays > Chemistry

Detergents

... water took the longest time to sink because of the lack of surfactants. When combined with "Cold Power Surf" the ... remove stains? Stains can be broadly categorized into 4 different types: Water- carried Oils and Fats Surface coatings Chemical reaction The ...

(3 pages) 1525 0 0.0 18/Oct/2001

Subjects: Science Essays > Chemistry

How enzymes work in the detergent industry

... polypeptides or free amino acids. As a result of the combined effect of surfactants and enzymes, stubborn stains can be removed ... foods like potatoes, spaghetti, custards, gravies and chocolate. This type of enzyme can be used in laundry detergents as well as ...

(11 pages) 80 1 4.1 17/Mar/2004

Subjects: Science Essays

Microbial Proteases

... by recombinant DNA technology. Several Bacillus subspecies secrete two major types of protease, a subtilisin or alkaline protease and a ... for soaking. The use of nonionic and, to some extent, anionic surfactants is compatible with the use of enzymes. ...

(29 pages) 71 0 3.8 12/Aug/2006

Subjects: Science Essays > Biology

Green Detergents And Planaria

... factor in the survival rate of the planaria. Planaria There are several types of planaria. They are mostly small, ... 481). The ingredients are often called surface-active agents, or surfactants, because they act upon a surface. Synthetic detergents were ...

(4 pages) 1193 0 0.0 17/Sep/2001

Subjects: Science Essays > Biology

OPEN - ENDED INVESTIGATION

... blue indicator Blue Blue Blue Light-blue Green Trial 2: Type of indicator Color in Window Cleaner Color in Detergent Color ... Alkaline Windows cleaner is basic, because it has chemicals and surfactants that have the role in removing grease and tough stains, ...

(17 pages) 14 0 0.0 03/Aug/2008

Subjects: Science Essays > Chemistry

Margarine and chemistry

... than a water-in-oil emulsion. There are mainly three types of margarine: Firstly, the hard, uncoloured margarine for cooking or baking ... water phases. This works with the same principle as a surfactant which has a long hydrocarbon tail that is soluble in ...

(3 pages) 38 0 4.1 31/Aug/2006

Subjects: Science Essays > Chemistry

Soap and detergent.

... that can be held in solution. There are two common types of detergent: soaps, which are manufactured from animal fats or ... and detergents are not the same thing, although both are surfactants, or surface active agents, which basically means a washing ...

(3 pages) 76 0 4.1 18/May/2003

Subjects: Science Essays > Chemistry

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