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From the 28th Febr. 1879 regular areometric determinations
of the spec, gravity of the water-samples and titrations of Cl
were made simultaneously with the temperature observations.
Date 1879. Time of the day. Depth in metres. Temperature of j the water C. j Spec. gravity Grammes of Cl in ïoüo cc. water. P. c. of Cl. P. c. of salt.
observed. at 0 C.
Febr. 28 noon o — ‘ -5 16.6
2 - >’-7
4-4 16.6
6 — 1 .8
8 - i "-9
10 — 2-3 16.8
March 11 10 a. m. o - 1 -9
2 — 2" 0 1.0220 + 8°.6 16.6 1.62 2.92
4 — 2’.6 1.022 I + 8\6 17.0 1.67 3.01
6 — 2°-4 I 0222 + 9 ° 17.0 1.67 3.01
8 — 2 \o 1.0228 + 8.6 174 I.70 3.06
10 — 2 .O 1.0225 + 9’° ’7-5 I.72 3co
April 1 2 p. m. o — i .8
2 - i°.8 I 0220 + io’.o 17.1 1.67 3-°i
4 — 2 .0 1.0221 + 10’. 6 17.1 1.67 301
6 — 2 .0 1.0221 + io’.6 173 I.70 3°6
8 — 2.2 1.0223 + 10-4 17-3 I.70 3.06
10 — 2 .0 1.0224 + io’.4 i5-4 I.70 3.06
s 14 2 a. m. 0 — 2°.0
2 — 2°.8 1.0227 + 7J.8 16.3 1.60 2.89
4 — 3°o 1.02 I 7 + 7-2 15-5 I-5I 2.72
6 — 2°.4 16.S
8 — 2 .O 16.5
10 2 \4 ’4-7
» 26 10 a. m. o — r.6 1.0208 + 8”.2 ’5-5 1-51 2.72
5 — r.8 16.6
10 — iJ.4 1.0225 + 8°.2 16.6 1.63 2-93
May 3 9 a. m. o — 2 \o
4 — 2°.I 1.0226 + 8.5 16.6 1.63 2-93
6 — 2".3 1.0225 + 8\8 16.5 1.61 2.90
8 — 2 .0 1.0229 + 8°-3 l6.7 1.64 2-94
10 — r.8 1.0227 + 8°.3 I6.6 1.62 2.92
June 9 0 — i ’.0 1.0223 + ii°.6 I6.4 1.61 2.90
3 - i°-S 1.0223 -j- 12°. O I6.6 1 62 2.92
6 — i .4 1.0224 + 12.2 I6.8 1.64 2.95
10 — i’-5 1.0226 + I2°.4 I6.9 1.65 2.96
The titrations, which were executed in the cabin by
lamplight are of course only approximately exact. Still they
bear out an important and unexpected result, viz. that the
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