| 摘要 |
Disclosed is a cleaning composition comprising a mixing product of: (i) a first acid having a pKa of less than 3, wherein the first acid is phosphoric acid, in an amount by weight of 1-10%, (ii) a second acid having a pKa of greater than 3, wherein the second acid is lactic acid, in an amount by weight of 1-10%, (iii) a nonionic surfactant in an amount by weight of 1-7%, wherein the non-ionic surfactant comprises a mixture of molecules of formula I: CH3(CH2)m-(O-CH2-CH2)n-OH, wherein m is an integer of 8-10, and n represents an average degree of ethoxylation for the mixture of 1-15; (vi) an anionic surfactant which comprises sodium cumene sulfonate; and (v) water; wherein the composition has a pH of less than 2.5, and wherein the composition further comprises a 1:1:1 mixture by weight of ethanol, dipropylene glycol monobutyl ether, and propylene glycol n-butyl ether. The cleaning composition is for use on hard surfaces typically found in bathrooms and kitchens and include a variety of different materials such as enamel, ceramic, and the like. Such surfaces include fixtures such as bathtubs, sinks, and toilets, as well as countertops.
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