Laudanum is the commercial name of "Tincture of
Opium", or "Tinctura Opii", as recognized by the United
States Pharmacopoeia. It contains 10% granulated opium,
one of the most powerful and common hypnotics known, or
from 1.2 to 1.25% of morphine sulphate, the principal
alkaloid found in opium and to which...
Few discoveries of any importance have been the result of a moment's happy coincidence; rather have they been the fruit of many hours of tedious thought and experiment. This is especially true in the realm of organic chemistry. Here, where progress is made only by the most painstaking experimentation, extensive...
Among sea-weeds the kelps include some of the largest, most widely distributed and most important forms considered from an economical standpoint. They are technically classified among the crown algae in the family Laminariaceae, which comprises some twenty-five genera. Kelps occur most abundantly in the colder sea water, but they are...
There are two distinct methods which are used to study
the volume changes which take place when a protein is placed
in a solution. The first and most common method measures the
volume changes of the solid alone and is commonly known as swelling. The second measures the total volume...
The dyeing of paper is one of the most important
processes in the manufacture of that material. Fully 95 percent
of the paper that is produced is colored to a greater or
lesser extent, and in many eases the reproduction of a shade
is essential. That pH is an important...
The purpose of this work was to investigate possibilities
of raising lavender in Oregon of desirable qualities and.
yield. This was carried out by analysis and study of the
properties of the oil obtained therefrom in order that a
comparison with other kinds of lavender oil might be made.
It...