Table exhibiting the number of drops in a fluidrachm of different liquids, with weight in grains:

Drops.

Weight.

Acetum opii ......................................

90

61

Acetum sanguinariae..........................

78

55 1/2

Acetum scillae ...................................

68

57

Acidum aceticum........

108

58

Acidum aceticum dilutum....................

68

55

Acidum carbolicum.......

111

59

Acidum hydrochloricum.....

70

65

Acidum hydrochloricum dilutum........

60

56

Acidum hydrocyanicum .....................

60

54

Acidum lacticum .............................

111

66

Acidum nitricum ..............................

102

77

Acidum nitricum dilutum...................

60

58

Acidum nitro-hydrochloricum .............

76

66

Acidum phosphoricum dilutum............

59

57

Acidum sulphuricum......

128

101

Acidum sulphuricum aromaticum........

146

53

Acidum sulphuricum dilutum ..............

60

58 1/2

Drops.

Weight.

Acidum sulphurosum .........................

59

55

Acidum velerianicum ........................

158

51

Æther............

172

41 1/2

Æether fortior ...................................

176

39

Alcohol ............

146

44

Alcohol dilutum ................................

137

49

Aqua .................................................

60

55

Aqua ammoniae ...............................

64

52

Aqua ammoniae fortior........................

66

50

Aqua destillata.........

60

53 1/2

Balsamum Peruvianum ........................

101

60

Bromum ..........................................

250

165

Chloroformum purificatum..................

250

80

Copaiba ...........................................

110

51

Creasotum...........

122

56 1/2

Extractum belladonnae fluidum...........

156

57

Extractum buchu fluidum ...................

150

47 1/2

Extractum calumbae fluidum................

139

50

Extractum chimaphilae fluidum...........

128

63

Extractum cimicifugae fluidum............

147

48

Extractum cinchonae fluidum...............

138

58

Extractum colchici rad. fluidum..........

160

57

Extractum colchici sem. fluidum..........

158

55

Extractum conii fruct. fluidum.............

137

61

Extractum cubebae fluidum ...............

147

48

Extractum digitalis fluidum ................

134

62

Extractum dulcamarae fluidum ...........

130

46

Extractum ergotae fluidum ..................

133

60

Extractum gelsemii fluidum ................

149

49

Extractum gentianae fluidum..............

144

64

Extractum geranii fluidum....................

125

60

Extractum glycyrrhizae fluidum...........

133

61

Extractum gossypii fluidum................

134

58

Extractum hydrastis fluidum ..............

160

54

Extractum hyoscyami fluidum ............

160

59

Extractum ipecac. fluidum ..................

120

60

Extractum krameriae fluidum .............

132

60

Extractum lupulini fluidum..................

140

55

Extractum mezerei fluidum .................

155

46

Extractum pareirae fluidum..................

140

57

Extractum pruni Virg. fluidum.............

103

61

Extractum rhei fluidum.....

158

61

Extractum rubi fluidum.....

132

61

Extractum sabinae fluidum .................

148

49

Extractum sarsap. comp. fluidum.........

138

60

Extractum scillae fluidum .................

161

58

Extractum senegae fluidum ..................

137

62

Extractum serpentariae fluidum............

148

47

Extractum stillingiae fluidum...............

134

58

Extractum taraxaci fluidum .................

134

63

Extractum uva ursi fluidum ...............

137

60

Extractum Valerianae fluidum.............

150

49

Extractum verat. vird. fluidum............

150

50

Extractum zingiberis fluidum..............

142

48

Glycerinum..........

67

68

Hydrargyrum..........

150

760

Liquor acid. arseniosi......

57

55

Liquor arsen. et hyd. iodi......................

58

55

Liquor ferri chloridi.......

71

72

Liquor ferri citratis.......

71

72

Liquor ferri nitratis.......

59

59

Liquor ferri subsulp.......

73

83

Liquor ferri tersulp.......

83

72

Liquor hydrarg. nitratis ....................

131

123

Liquor iodi compositus.....

63

59

Liquor plumbi subacet......

74

70

Liquor potassa.........

62

58

Liquor potassae arsen ....................

57

55

Liquor sodae chlorinatae ....................

63

62

Drops.

Weight.

Liquor zinci chloridi.......

89

88

Oleores aspidii.........

130

52

Oleores capsici.........

120

51

Oleores cubebae.........

123

52

Oleum aethereum.......

125

50

Oleum amygd. amarae......

115

55

Oleum amygd. express.....

108

48 1/2

Oleum anisi..........

119

54

Oleum bergamii.........

130

46

Oleum cajuputi.........

138

48

Oleum cari...........

132

50

Oleum caryophylli.......

130

57

Oleum chenopodii........

135

52

Oleum copaibae.........

123

49 1/2

Oleum cubebae.........

125

51

Oleum erigerontis........

132

57 1/2

Oleum faeniculi ................................

125

53

Oleum gaultheriae........

125

62

Oleum hedcomae........

132

51

Oleum juniperi ..................................

148

49

Oleum lavandulae........

138

52

Oleum lini ...........................................

113

49

Oleum menthae piperitae.....

129

50

Oleum menthae viridis......

126

51 1/2

Oleum morrhuae........

110

49

Oleum myristicae .............................

135

46

Oleum olivae ......................................

107

48 1/2

Oleum ricini ........................................

77

51 1/2

Oleum rosae ......................................

132

47

Oleum rosmarini........

143

50

Oleum rutae ........................................

138

46

Oleum sabinae ......................................

146

50

Oleum sassafras .................................

133

58

Oleum sesami..........

104

49 1/2

Oleum succini ....................................

140

47

Oleum terebinthinae ..........................

136

45 1/2

Oleum tiglii..........

104

50

Spiritus aether. comp......

148

45

Spiritus aether. nitrosi ........................

146

47

Spiritus ammon. arom......

142

48

Spiritus camphorae ...............................

143

47

Spiritus chloroformi.......

150

48

Spiritus menthae piperitae....................

142

47

Syrupus ..............................................

65

72

Syrupus acaciae .................................

44

73

Syrupus ferri iodidi.......

65

77

Syrupus rhei ........................................

82

72

Syrupus scillae ...................................

75

74

Syrupus scillae comp.......

102

70

Syrupus senegae.........

106

70

Tinctura aconiti ..................................

146

46

Tinctura belladonnae......

137

53

Tinctura benzoini comp.....

148

48

Tinctura cantharidis ......

131

51

Tinctura cincho comp......

140

49

Tinctura digitalis........

128

53

Tinctura ferri chloridi ........................

150

53

Tinctura iodi ......................................

148

47

Tinctura nucis vomicae .....................

140

44

Tinctura opii..........

130

53

Tinctura opii comp ............................

130

52

Tinctura opii deod........

110

54

Tinctura velerianae .............................

130

52

Tinctura verat. virid.......

145

46

Tinctura zingiberis ..............................

144

46

Vinum colchici rad ..............................

107

55

Vinum colchici sem.......

111

54

Vinum opii ...........................................

100

55

- Stephen L. Talbot.