| 词汇 | saponification |
| 释义 | saponification noun[ U ] chemistry specializeduk /səˌpɒn.ɪ.fɪˈkeɪ.ʃən/ us /səˌpɑːn.ə.fəˈkeɪ.ʃən/ the chemical reaction between a fat or oil and an alkali, which produces soap皂化 Physical & chemical processes absorbable absorptive absorptive capacity absorptivity acidification endothermic reaction excitability excitation excite exergonic exothermic exothermic reaction impregnate re-emit reabsorb react reboil recondense scald vaporize saponification | American Dictionarysaponification noun[ U ] us/səˌpɑn·ə·fɪˈkeɪ·ʃən/ chemistry the chemical reaction between a fat or oil and an alkali which produces soap Examples of saponificationsaponification The three main processes involved in the scouring are saponification, emulsification and detergency. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At this time, it is safe to use the soap, since saponification is in essence complete. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The saponification value for a specific fat will vary by season and by specimen species. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Saponification in oil paintings was first described in 1997. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The saponification value must be converted into an equivalent sodium hydroxide value for use in cold process soapmaking. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Saponification charts should also be used in hot processes, but are not necessary for the fully boiled hot-process soaping. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Saponification of the ester completes the preparation of zenarestat. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A cold-process soapmaker first looks up the saponification value for each unique fat on an oil specification sheet. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Patent 908 also extended protection to silicated soaps made by the cold process (saponification without the addition of external heat). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This reaction is known as saponification because it is used in the preparation of soap. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Neutralization of decanoic acid or saponification of its esters, typically triglycerides, with sodium hydroxide will give sodium decanoate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The batch is then poured into moulds, kept warm with towels or blankets, and left to continue saponification for 12 to 48 hours. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These applications utilize sodium palmitate, which is commonly obtained by saponification of palm oil. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Phenyl acetate can be separated into phenol and an acetate salt, via saponification. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Finally, saponification of the ester thus affords amflutizole as the product. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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