MEMORANDUM TO FRANK V. MARTENEK FROM AMHEINZELMANN RE SAMPLES MOST SUITED ON YOUR LIST

• Document Type: CREST
• Collection: Secret Writing
• Document Number (FOIA) /ESDN (CREST): CIA-RDP11X00001R000100010004-6
• Release Decision: RIFPUB
• Original Classification: C
• Document Page Count: 1
• Document Creation Date: November 3, 2016
• Document Release Date: August 1, 2011
• Sequence Number: 4
• Content Type: MEMO

Approved For Release 2011/08/01: CIA-RDP11X00001 R000100010004-6
ADDRESS REPLY TO
BUREAU OF STANDARDS
DEPARTMENT OF COMMERCE
BUREAU OF STANDARDS
WASHINGTON
Memorandum for Mr Frank V. Martenek,
EXEMPT from automatic declcsaificc
per E.O. 11652, Sec. 5(E)(2)
Name
Agency Dade
Raaaca-/~-----
e"78--9 on:
October 30, 1917. Q91
I am transmitting seven samples which seerr to be the most suitable in
the list which you submitted. They are as follows:
--1--
Sulphuric acid (1-5) ............... 100 cc.
Sugar 2 gin
Water 90 cc.
Cobalt Chloride 10 gm
Glycerol 2 cc.
Water 100 cc.
Ammonium chloride .................. 15 gm
Water .... ......................... 100 co.
Copper Nitrate 10 gm.
Water .....J ........................ 100 cc.
Potassium bromide 3 gm
Copper sulphate ................... 3 gm
~~ --6--
Water ....% ........................ 100 cc.
Nickel chloride ................... 2.5 gm
Nickel nitrate ..................... 2.5 gm
3 gm
Cobalt chloride .................... 3 gm
Water ............................ 100 Co.
Samples 1, 4, and 5 will doubtless exert a very corrosive action on steel pens,
and therefore if suitable in other respects would have to be used with-a quill
pen.
If I observe any other samples which seem to possess any particular
advantage, I will let you know, or if you will tell me just what characteristics
you desire such to roduct to have, I will try to reproduce it,
ek - e Respectfully,
16 Asst. Chemist.
;;a,
puhoiry
CONFIDENTIAL
Approved For Release 2011/08/01: CIA-RDP11X00001 R000100010004-6