4 grams copper sulfate; 20 grams potassium-sodium tartrate; 70 grams sodium hydroxid solution, 1.12 specific gravity. Fill to 115.5 cubic centimeters. 14. _Löwe_: 15 grams copper sulfate; 60 grams glycerol; 80 cubic centimeters sodium hydroxid, 1.34 specific gravity; 160 cubic centimeters water. Fill to half a liter. 15. _Mohr_: 34.64 copper sulfate; 150 grams di-potassium tartrate; 600-700 cubic centimeters sodium hydroxid solution, 1.12 specific gravity, equal to 70.5-82.3 grams sodium hydroxid. Fill to one liter. 16. _Märcker_: 35 grams copper sulfate, solution made up to one liter: 175 grams potassium-sodium tartrate; 125 grams potassium hydroxid, equivalent to 89.2 grams sodium hydroxid, solution made up to one liter. 17. _Maumenè_: 375 grams copper sulfate; 188 grams potassium-sodium tartrate; 166 grams potassium hydroxid. Fill to nine liters. 18. _Monier_: 40 grams copper sulfate; 3 grams stannic chlorid; 80 grams cream of tartar; 130 grams sodium hydroxid. Fill to one liter. 19. _Neubauer and Vogel_: 34.639 grams copper sulfate; 173 grams potassium-sodium tartrate; 500-600 grams sodium hydroxid solution, 1.12 specific gravity. Fill to one liter. 20. _Pasteur_: 40 grams copper sulfate; 105 grams tartaric acid; 80 grams potassium hydroxid; 130 grams sodium hydroxid. 21. _Possoz_: 40 grams copper sulfate; 300 grams potassium-sodium tartrate; 29 grams sodium hydroxid; 159 grams sodium bicarbonate, allow to stand six months before use. Fill to one liter. One cubic centimeter equals 0.0577 gram dextrose. One cubic centimeter equals 0.0548 gram cane sugar. 22. _Rüth_: 34.64 grams copper sulfate; 143 grams potassium-sodium tartrate; 600-700 cubic centimeters sodium hydroxid solution, 1.12 specific gravity. Fill to one liter. 23. _Rodewald and Tollens_: 34.639 grams copper sulfate, solution made up to half a liter; 173 grams potassium-sodium tartrate; 60 grams sodium hydroxid, solution made up to half a liter. 24. _Schorlemmer_: 34.64 grams copper sulfate; 200 grams potassium-sodium tartrate; 600-700 cubic centimeters sodium hydroxid solution, 1.20 specific gravity. Fill to one liter. 25. _Soxhlet_: 34.639 grams copper sulfate, solution made up to half a liter. 173 grams potassium-sodium tartrate; 51.6 grams sodium hydroxid, solution made up to half a liter. 26. _Soldaini_: 3.464 grams copper sulfate; 297 grams potassium bicarbonate. Fill to one liter. 27. _Violette_: 34.64 grams copper sulfate; 187.0 potassium-sodium tartrate; 78.0 sodium hydroxid made up to one liter. Ten cubic centimeters equal 0.050 gram dextrose. Ten cubic centimeters equal 0.0475 gram cane sugar.