| http://www.w3.org/ns/prov#value | - More particularly, one class of ampholytic surfactants include sarcosinates and taurates having the general structural formula wherein R1 is C11 through C21, alkyl, R2 is hydrogen or C1-C2 alkyl, Y is CO2M or SO3M, M is an alkali metal, and n is a number 1 through 3.
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