Carl Otto

Titan Yellow Qualitative Test for Magnesium

A qualitative analysis puzzle

Fusion methods in chemical microscopy (McCrone, Walter C., Jr.)

Preparation of ammonium monosulfide from ammonium polysulfide.

Distinguishing individual quantitative filter papers

Laboratory space for chemical microscopy

A new method of dispensing qualitative unknowns

Reliability of qualitative analysis procedures in the hands of students

The correlation of grades received by students in successive college chemistry courses

Analytical Chemistry. A Textbook for a One-Year Course in Qualitative and Quantitative Analysis (Ware, John C.)