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Salinogenic or chelate forming dyes as analytical reagents

✍ Scribed by Steigmann, A.

Book ID
102327210
Publisher
Wiley (John Wiley & Sons)
Year
1947
Weight
415 KB
Volume
66
Category
Article
ISSN
0368-4075

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✦ Synopsis

TABLE XIX -_ Qipric acetate/acctic acid solutiorrs Test solution Metal Observations I yo CuAc,, I yo HAc Absent Formation of black lustrous sales after 10 hours 1% CuAc,, s: L HAc ,, Formation of black lustrous s a l e s after 30 hours. (See also Table -1-STEIGMA NN-ANAL YTICAL REAGENTS 353 1% CuAc,, IO?(, HAc ,, z%HAc .. .. Copperand !yo HAc . . . . 60140 brass 1% Cu.4cZ, 1yn HAc Copper and > . I ,, 5yo HAc 60/40 brass " ,, roo/, HAc ' ,, zoyoHAc ,, so' :; HAc ,) IooD,b HAC '1% CuAc,, 5% HAc Alloys u-2 A l l No ppt after 60 hrs. No acetylidc formation after prolonged passage of C,H, In all uses a black film of ncctylide formed on both metals within 10 min. except in the

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Syntheses of azo dyes containing 4,5-dip
Syntheses of azo dyes containing 4,5-diphenylimidazole and their evaluation as analytical reagents
✍ Shozo Shibata; Masamichi Furukawa; Ryozo Nakashima πŸ“‚ Article πŸ“… 1976 πŸ› Elsevier Science 🌐 English βš– 557 KB

Eight azo dyes containing the 4,S-diphenylimidazolc group have been synthesized, and their potential for determinations of metals has been studied spcctrophotomctrically. Of these reagents, the pyridylazo and quinolylazo derivatives are suitable as chromogenic reagents, the best being 2-(quinolylazo