Sulphurous

(a.) Of or pertaining to sulphur.

(a.) Derived from, or containing, sulphur; specifically, designating those compounds in which the element has a lower valence as contrasted with the sulphuric compounds.

(a.) Having the characteristic odor of sulphur dioxide, or of hydrogen sulphide, or of other sulphur compounds.

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• Silk, lace, and wool when bleached with chlorine become hard and brittle, but when whitened with sulphurous acid, they retain their natural characteristics. 伯莎M.克拉克. 科学通论.
• In 1824 Bussy condensed sulphurous acid vapors to liquid form. Edward W. Byrn. 十九世纪发明进展.
• The harmless nature of sulphurous acid makes it very desirable as a bleaching agent, especially in the home. 伯莎M.克拉克. 科学通论.
• Cailletet used a pressure of 300 atmospheres and a temperature of -29°, which latter was obtained by the evaporation of liquid sulphurous acid. Edward W. Byrn. 十九世纪发明进展.
• Pictet used a pressure of 320 atmospheres and a temperature of -140°, obtained by the evaporation of liquid sulphurous acid and liquid carbonic acid. Edward W. Byrn. 十九世纪发明进展.
• In the sulphite process the chips are then delivered into the digesters shown in Fig. 128, which are supplied with sulphurous acid generated in a plant shown in Fig. 129. Edward W. Byrn. 十九世纪发明进展.
• This employed anhydrous sulphurous acid as the volatile agent, and is described in United States patent No. 187,413, February 13, 1877; French patent No. 109,003, of 1875. Edward W. Byrn. 十九世纪发明进展.
• Some of the compounds formed by the sulphurous acid bleaching process are gradually decomposed by sunlight, and in consequence the original color is in time partially restored. 伯莎M.克拉克. 科学通论.
• This he thinks abundantly indicated by the same sulphurous smell being found in anything burned with lightning, and in the waters, &c. 本杰明·富兰克林. 富兰克林自传.
• A thick, sulphurous smoke was spread around, and in this the two men were struggling, locked in a deathly grip. 弗格斯·休姆. 奇幻岛.
• Such a substance is to be had in sulphurous acid. 伯莎M.克拉克. 科学通论.
• In some canneries common corn is whitened with sulphurous acid, and is then sold under false representations. 伯莎M.克拉克. 科学通论.
• The conditions seemed favorable May 10, 1752; sparks between the wire and rod and a sulphurous odor were perceived (the manifestations of wrath! 李贝. 西洋科学史.

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