Assertion: hypophosphorous acid's concentration | /r/HasProperty | required
Facets:
Source sentences:
text: More particularly, in this first aspect of the invention (where no pre-concentration is required), the invention comprises a process for preparation of ATA comprising the step of reacting of fatty acid or mixture of fatty acid (a preferred fatty acid is C12 straight chain fatty acid) with a salt (e.g., alkali metal salt such as sodium or potassium salt), preferably aqueous salt of N-methyl taurine wherein a) the molar ratio of total fatty acid to alkali metal salt of N-methyl taurine, both measured on an anhydrous basis, is greater or equal to 2:1 , preferably 2:1 to 5:1 ; b) reaction temperature is less than 200°C, preferably 190 to 199°C;