that this 2.3 of sal Amm. 302 of sal Sylori 3.17 of quads citre 2. 21. of glav calcined glaub. salt & 14.10 of call. 1.8 it were dissolved in water the solut. of each being 3.10.12 that is such that the quant. acid in each should be equiv. to that in a salut. salt in 29 of water Jan. 13 Sal lytrei in tube in 22 5. 415 77,7 8,2 tube 15 comp. with salt in 29 in tube 22 el. tube 22 el.=2 th. 55 18,2 seemed gr. but doubt. plainly greater seemd less but doubt plaints less 626] SAL SYLVII, SAL AMMONIAC, CALC. S.S. 329 The same water deprived of its fixed air by boiling, and tried as before. 626] 23 of Sal. Amm., 3.2 of Sal. Sylvii, 3·17 of Quadr. nitre, 2.21 of calcined Glauber's salt and 14.10 of calc. S. S. A.† were dissolved in water, the solution of each being 3.10.12, that is, such that the quant. acid in each should be equiv, to that in a solut. salt in 29 of water. Jan. 13. Sal. Sylvii in tube 15 compared with salt in 29 in tube 22. * [See Art. 693.] plainly greater. scarce sensib. gr. plainly less. sensib. less. plainly greater. scarce sensib. greater. plainly less. scarce sensib. less. + [See facsimile on the opposite page. The results are given in Art. 694. See Note 34 and Preface.] 627] 20 of oil of vitriol, 2, 5-10 of spirit of salt 2, and 5.19 of f. alk. D, were diluted with water, the solution being 3. 10. 12. Consequently the quantity of acid in 2 first were equivalent to that in salt. in 59 of water, and the alk. in last was equivalent to that in salt in 29; compared in the same manner as the former. Another diluted spirit of salt was made of same strength as the former. Being tried with wires at 9.9 inch. distance no sensible difference was perceived, which agrees with former. Another diluted oil of vitriol was made and tried, Jan. 16. 628] SOLUTIONS OF SALT. EXPERIMENTS IN JANUARY, 1781*. 331 628] Some basket salt† was dried before fire, and a saturated so 1 3.78 lution made with it which contained of salt, and also other solutions of different strengths, all being made with distilled water. Sat. sol. in tube 14, salt in 69 in tube 15. [R. = 399000.] Sat. sol. conducts 8.63 times better than salt in 69. Sat. sol. conducts 9:03 times better than salt in 69. Sat. sol. in tube 14, salt in 29 in tube 15. El. = 31. sensib, greater. 9.1 supposed right. 7.3 11.0 sensib. less. Sat. sol. conducts 4.1 times better than salt in 29. Sat. sol. conducts 3.85 times better than salt in 29. = The same solutions in same tubes. El. 13. [R. = 136000.] Sat. sol. conducts 3.95 times better than salt in 29. * [The results of these experiments are collected in Art. 695. See Note 33.] [Salt made up in form of sugar loaves, in small wicker baskets, which is thence called loaf salt or basket salt." Rees' Cyclopædia.] [26-45 per cent. Saturated solution at 18°C is 26-4 per cent. by Kohlrausch.] |