acid orange
91acridine orange — A fluorescent vital dye, that intercalates into nucleic acids. The nuclei of stained cells fluoresce green; cytoplasmic RNA fluoresces orange. Acridine orange also stains acid mucopolysaccharides, and is widely used as a pH sensitive dye in… …
92methyl orange — A weakly acid dye used as a pH indicator (red at 3.2, yellow at 4.4). SYN: helianthine. * * * methyl orange n a basic azo dye C14H14N3NaO3S that is used chiefly as an acid base indicator and whose dilute solution is yellow when neutral and pink… …
93Sulphur acid — Sulphur Sul phur, n. [L., better sulfur: cf. F. soufre.] 1. (Chem.) A nonmetallic element occurring naturally in large quantities, either combined as in the sulphides (as pyrites) and sulphates (as gypsum), or native in volcanic regions, in vast… …
94sulphuric acid — Sulphur Sul phur, n. [L., better sulfur: cf. F. soufre.] 1. (Chem.) A nonmetallic element occurring naturally in large quantities, either combined as in the sulphides (as pyrites) and sulphates (as gypsum), or native in volcanic regions, in vast… …
95sulphurous acid — Sulphur Sul phur, n. [L., better sulfur: cf. F. soufre.] 1. (Chem.) A nonmetallic element occurring naturally in large quantities, either combined as in the sulphides (as pyrites) and sulphates (as gypsum), or native in volcanic regions, in vast… …
96dichromic acid — noun the hypothetical acid (H2Cr2O7) from which dichromates are derived; known only in solution and in the form of dichromate salts • Hypernyms: ↑acid * * * noun : an acid H2Cr2O7 known only in solution and especially in the form of its salts (as …
97hydrosulphurous acid — Hyposulphurous Hy po*sul phur*ous, a. [Pref. hypo + sulphurous.] (Chem.) Pertaining to, or containing, sulphur, all, or a part, in a low state of oxidation. [1913 Webster] {Hyposulphurous acid}. (a) Thiosulphuric acid. [Obs.] (b) An acid, {H2SO2} …
98Hyposulphurous acid — Hyposulphurous Hy po*sul phur*ous, a. [Pref. hypo + sulphurous.] (Chem.) Pertaining to, or containing, sulphur, all, or a part, in a low state of oxidation. [1913 Webster] {Hyposulphurous acid}. (a) Thiosulphuric acid. [Obs.] (b) An acid, {H2SO2} …
99Croconic acid — Croconic Cro*con ic (kr? k?n ?k), a. [Gr. ???? saffron.] 1. Of, pertaining to, or resembling saffron; having the color of saffron; as, croconic acid. [1913 Webster] 2. Pertaining to, or derived from, croconic acid. [1913 Webster] {Croconic acid}… …
100Xanthic acid — Xanthic Xan thic, a. [Gr. xanqo s yellow: cf. F. xanthique.] [1913 Webster] 1. Tending toward a yellow color, or to one of those colors, green being excepted, in which yellow is a constituent, as scarlet, orange, etc. [1913 Webster] 2. (Chem.)… …
