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.
Principles and practice of agricultural analysis. Volume 3 (of 3), Agricultural products · 第 44 / 164 题