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IQt.�P-9m�► <br /> �at+�3lsa.Ria. (nye Z onlyl. fte lead content shall be ae- <br /> %MrALMA all" the rallowd"- Me. <br /> 4.5.7.2.1 S%UMAMd lead solutio"- Dissolve 0.16 & of lead nitrate im <br /> distilled _UW to make al. of the standard lead solution = <br /> 0.0003 grans of lea& <br /> 4.5.7.2.2 Procedure. Weigh 5 g- of undiluted type Z compound and transfer <br /> it q,antitatively im o, a 50 al. volumetric flask. Add 10 al. of distilled <br /> water and 15 m1- of 1:1 —nium hydroxide. Dilute to aark with distilled <br /> rater and mix well. Pipette a 30 al. alirLzt into one 50 mi. :sessler tube <br /> and a 10 a1_ aliquot into a second matching %essler tube. Consider the 30 <br /> MI. aliquot as the specimen and the 10 al. aliquot as the control. Dilute <br /> to 45 al. with distilled nater. Add 1 al. of 10 percent sodi n cyanide solu- <br /> tion and 1 ml. of colorless soditm sulfide to each tube, mix well. Add 2 <br /> al. of standard lead solutio" to the ccatrol, mix, and compare. The color <br /> developed by the speciara shall not exceed the color developed by the eoa- <br /> trol. <br /> 4-5-7.3 Chloride determination. The saaple shall be analyzed for charides <br /> iy seoordance with ASM4 St&nd&rd D512. referee method B, "Test for Chloride <br /> Ion in 1-id-strisl Water'. <br /> 4.5.7.4 .her extraneous elments. Spec trcg:aphically analyze a portion <br /> of the dili.ted test solutio" .5.1 for sodi:s, potassiud, —90 sium, :rvn, <br /> ch--cmim, and a0--min- <br /> 4.r,-.8 1-article size. Select the r—eq, ed --te-.es <br /> for c:�.Ssa+-e vitt, 3.L. �:e`_ac 'Se day sieves —d nest La the <br /> ho-t-om - �e:g loo Z. cf the sa-T1e to the nee�est .7. g. and �rans'er <br /> —e sieve and Ltea -_ver tt_e assericly - %4 s:n.teshy C�i:'. <br /> re--&i ce__ 9:r: s sed _ '__:es and ;a1_�S-e the a:- <br /> _e=tage ars re4-:red. <br /> a-er azd --t&1 ed at -h_ _2erit17:g^ shctn 7 j <br /> by o i=n, SAE 102", steel panels sial: be _leaved, saadb:as-ed add immersed is <br /> the phosphate costing sol:aion for the t:,- spec.- in table V. After <br /> processing tine the psoels shall be rinsed is clean water, dried and examined <br /> for compltaoce with paragraph 3.5. The coating weight and the accelerated <br /> corrosion tests shall be determined in accordance with tae applicable methods <br /> of NIL-P-1.6232. A description of the process is given in ee1.4 -2C5. <br /> 11 <br /> 14t <br />