Lead azide plant, analytical procedures

US Military requirements and tests for colloidal LA (called also Type II) are given in Ref 19. The tests are essentially the same as for DLA (Type I) (See item VII under Lead Azide, Plant Analytical Procedures), except the particle size detn... 

Remarks on Table a)LA content was detd by measuring the nitrogen content of the sample and calcg % LA [See US Ordnance Corps Gasometric Method, item III C a, under Lead Azide Plant, Analytical Procedures]... 

HaS or HI, so as to form lead carbonate, sulfide or iodide oidy on the surface without penetration into the crystal (Ref 22). This treatment will unquestionably reduce the efficiency of LA because it will be contaminated by inert materials l)Solubiliry of LA in water or in 50% alcohol was detd as described in item VII F tinder Lead Azide Plant Analytical Procedures In addn to above listed tests, the various LA s were loaded in M47 caps as intermediate chges together with NOLNo 130 as a primary chge and RDX as a base chge and subjected to the following tests given in the Purchase Description PA-PD-202, with Rev 1 dated 30 Sept 1952 and Amend 1 dated 27 Jan 1953 ... 

LEAD AZIDE PLANT, ANALYTICAL PROCEDURES. The lead azide plant of the Kankakee Ordnance Works (KOW), Joliet, Illinois, operated by the US Rubber Co manufd dextrinated crystalline LA from Na azide and Pb nitrate in presence of dextrin. Na azide also was manufd at KOW the analytical procedures are described under Sodium Azide, Analytical Procedures... 

IV under Lead Azide Plant, Analytical Procedures... 

Analysis of Mixtures LA Al A587-R Lead Azide, Plant Analytical Procedures A563 to A576... 

Remarks on Table a)LA content was detd by measuring the nitrogen concent of the sample and calcg % LA [See US Ordnance Corps Gasometric Method, item III C a, under Lead Azide Plant, Analytical Procedures] b)The % lead in a sample on a LA basis is always less than that given by a total lead analysis (See item III D, under Lead Azide Plant, Analytical Frocediires), A sample calcn showing this is outlined below mw of Pb(Ns). 291-26 at wt of Pb 207.21 and % Pb in Pb(N,)j 207,21/291.26 71.08. if... 

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