TABLES.
Reading edition
TABLES.
I.—Dalton's Table showing the Proportion of Dry Soda in Leys of different Densities.
SpecificDry SodaBoilingSpecificDry SodaBoiling
gravity ofper cent.points.gravity ofper cent.points.
solution.by weight.solution.by weight.
1·8563·6600°1·3626·0235°
1·7253·8400°1·3223·0228°
1·6346·6300°1·2919·0224°
1·5641·2280°1·2316·0220°
1·5036·8265°1·1813·0217°
1·4734·0255°1·129·0214°
1·4431·0248°1·064·7213°
1·4029·0242°
II.—Table of Strength of Caustic Soda Solutions at 59° F. = 150° C. (Tünnerman).
Specific GravityDegreesPer cent. ofEquivalent per cent.
(Water 1,000).Twaddell.Soda.of 60 per cent.
Caustic Soda.
1·00400·800·3020·503
1·00811·620·6011·001
1·01633·261·2092·015
1·02464·921·8133·021
1·03306·602·4184·030
1·04148·283·0225·037
1·050010·003·6266·043
1·058711·744·2317·051
1·067513·504·8358·059
1·076415·285·4409·067
1·085517·106·04410·073
1·094818·966·64811·080
1·104220·847·25312·090
1·113722·747·85713·095
1·123324·668·46214·103
1·133026·609·06615·110
1·142828·569·67016·117
1·152830·5610·27517·125
1·163032·6010·87918·131
1·173434·6811·48419·140
1·184136·8212·08820·147
1·194838·9612·69221·153
1·205841·1613·29722·161
1·217843·5613·90123·170
1·228045·6014·50624·177
1·239247·8415·11025·170
III.—Table showing the Specific Gravity corresponding with the Degrees of Baumé's Hydrometer.
Liquids denser than Water.
Degrees.SpecificDegrees.SpecificDegrees.Specific
Gravity.Gravity.Gravity.
01·0000261·2063521·5200
11·0066271·2160531·5353
21·0133281·2258541·5510
31·0201291·2358551·5671
41·0270301·2459561·5833
51·0340311·2562571·6000
61·0411321·2667581·6170
71·0483331·2773591·6344
81·0556341·2881601·6522
91·0630351·2992611·6705
101·0704361·3103621·6889
111·0780371·3217631·7079
121·0857381·3333641·7273
131·0935391·3451651·7471
141·1014401·3571661·7674
151·1095411·3694671·7882
161·1176421·3818681·8095
171·1259431·3945691·8313
181·1343441·4074701·8537
191·1428451·4206711·8765
201·1515461·4339721·9000
211·1603471·4476731·9241
221·1692481·4615741·9487
231·1783491·4758751·9740
241·1875501·4902762·0000
251·1968511·4951
IV.—Table of Boiling Points of Alkaline Leys.
AlkalineSpecificPercentage ofBoils at
Ley.Gravity.Alkali.degrees
Fahrenheit.
Soda1·1813217°
Potash1·2319·5220
Soda1·2316220
Potash1·2823·4224
Soda1·2919224
Soda1·3223228
Potash1·3326·3229
Soda1·3626235
Soda1·4029242
Potash1·4234·4246
Soda1·4734255
Potash1·4436·8255
Soda1·536·8265
Potash1·5242·9276
Potash1·646·7290
Soda1·6346·6300
Potash1·6851·2329
V.—Table showing the Quantity of Caustic Soda in Leys of different Densities (Water 1,000).
SpecificSodaSpecificSoda
gravity.per cent.gravity.per cent.
1·000·001·2220·66
1·022·071·2422·58
1·044·021·2624·47
1·065·891·2826·33
1·087·691·3028·16
1·109·431·3229·96
1·1211·101·3431·67
1·1412·811·3532·40
1·1614·731·3633·08
1·1816·731·3834·41
1·2018·71
VI.—Table showing the Quantity of Bleaching Liquid at 6° Twaddell (Specific Gravity 1·030) required to be added to Weaker Liquor to raise it to the given Strengths.
Strength of Sample in 1/12°.Required Strength.Proportions Required.
Given Sample.Liquor at 6°.
parts.part.
Water8/12°81
1" 9¼1
2"111
3" 13½1
4"171
5"231
6"351
7"711
Water6/12°111
1" 13½1
2"171
3"231
4"351
5"711
Water4/12°171
1"231
2"351
3"711
Water3/12°231
1"351
2"711
VII.—Comparative French and English Thermometer Scales.
French or Centigrade.English or Fahrenheit.
0Cent. or C.equals 32Fahr. or F.
5"" 41"
10"" 50"
15"" 59"
20"" 68"
25"" 77"
30"" 86"
35"" 95"
40""104"
45""113"
50""122"
55""131"
60""140"
65""149"
70""158"
75""167"
80""176"
85""185"
90""194"
95""203"
100"(Water boils)"212"(Water boils)
200""392"
300""572"
356"(Mercury boils)"662"(Mercury boils)
VIII.—Weights and Measures of the Metrical System.
(From the British Pharmacopœia.)
WEIGHTS.
1 Milligramme=the thousandth part of one gramme, or 0·001gramme.
1 Centigramme=the hundredth" " 0·01"
1 Décigramme=the tenth" " 0·1"
1 Gramme=weight of a cubic centimètre of water at 4° C. 1·0"
1 Décagramme=ten grammes 10·0"
1 Hectogramme=one hundred grammes 100·0"
1 Kilogramme=one thousand grammes1,000·0"
MEASURES OF CAPACITY.
1 Millilitre=1cubic centimètre,or the measure of1gramme of water.
1 Centilitre=10""10"
1 Décilitre=100""100"
1 Litre=1,000""1,000"
MEASURES OF LENGTH.
1 Millimètre=the thousandthpart ofone mètre, or0·001mètre.
1 Centimètre=the hundredth""0·01"
1 Décimètre=the tenth""0·1"
1 Mètre=the ten-millionth part of a quarter of the meridian of the earth.
IX.—Table of French Weights and Measures.
Kilogramme, 1,000 grammes, equals 2 lbs. 3¾ ozs. nearly. Gramme (the unit) equals 15·432 grains.
FRENCH MEASURE OF VOLUME.
1 Litre (the unit) equals 34 fluid ozs. nearly.
LONG MEASURE.
Mètre (the unit)equals39·371inches.
Décimètre (10th of a mètre)" 3·9371"
Centimètre (100th of a mètre)" 0·3937"
Millimètre (1,000th of a mètre)" 0·0393"