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H-B/3

Pragress on analysis 14 September 1951

was ill, andj Mas, met by his associate, , who gave him the following information relative to the sample given to on 7.September in

2. had been given the sample without any written material
accompanying. He and a were working on it as a blind analytical
problem. He stated that
but he did not know the nature of their discussion. had not
received any of the sample and was not to do any work until the, ad completely finished their examination.

a. The tube contained mostly air.

b. A few drops of gelatinous white fluid were obtained.

c. Microscopic examination showed the presence of one-celled vegetable matter. (Probably a contamination).

d. The tube was unrolled and examined under ultra violet light. There is no marking on it. 1

e. There were large quantities of a crystalline material identified as calcium sulphate.

(1) This probably rules out the material bein a biological.

(2) It could very well be the calcium complex of an alkaloid.

f. An absorption curve has been run over the whole range as a start on spectrographic analysis. The area of the ultra violet is first being investigated. The sample had a characteristic peak at 290 millimicrons:

(1) This eliminated sodium barbital.

(2) It is probably not a barbiturate.

g. It is not scopolamine. BElls scopolamine as an ophthalmic agent. thas worked often on this and tried it in this connection. Its peak is about 250 millimicrons and of a very distinctive shape.

A1-,7/5/7

18 September 1951

MEMORANDUM TO TIE FILE

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. h. During the next fer working days they will run. comparative spectra on many drugs: 1

(1) wopuld not give a complete list of what they would try.

(2) They would try:

atropine

morphine

quinine

-benzidrine

certain barbiturates

(3) ould, fter talking try many others.

i. The presently planned tests will take up until Wednesday Sept-'ember, when we will phone

could give no information as to the problem of financial remuneration for the company.

A