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(Nitratc )Tj
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39.36 -0.48 Td
(oi )Tj
/T1_0 12 Tf
13.92 -0.24 Td
(silvcr )Tj
/T1_0 10 Tf
31.44 -0.24 Td
(does )Tj
/T1_0 10.5 Tf
24.96 -0.48 Td
(not )Tj
/T1_0 10 Tf
17.76 -0.24 Td
(change )Tj
/T1_0 9.5 Tf
36.72 -0.48 Td
(by)Tj
/T1_0 13 Tf
-194.4 -11.28 Td
(thi )Tj
/T1_0 10.5 Tf
18.24 -0.24 Td
(action )Tj
/T1_0 11 Tf
32.4 -0.24 Td
(of )Tj
/T1_0 12 Tf
12.48 0 Td
(Iight, )Tj
/T1_0 10 Tf
29.76 -0.48 Td
(uriless )Tj
/T1_0 10.5 Tf
32.4 -0.48 Td
(organic )Tj
37.92 -0.48 Td
(nratter )Tj
/T1_0 9.5 Tf
34.56 -0.72 Td
(is)Tj
/T1_0 11 Tf
-198 -11.28 Td
(present, )Tj
/T1_0 11.5 Tf
44.88 -0.48 Td
(for )Tj
/T1_0 12 Tf
17.04 -0.24 Td
(rvhich )Tj
/T1_0 15 Tf
36.96 -0.24 Td
(it )Tj
/T1_0 11 Tf
13.92 -0.24 Td
(is )Tj
/T1_0 9.5 Tf
11.28 -0.24 Td
(so )Tj
/T1_0 10.5 Tf
13.2 0 Td
(delicate )Tj
/T1_0 11 Tf
39.36 -0.48 Td
(a )Tj
/T1_0 10 Tf
9.6 -0.24 Td
(test,)Tj
-185.52 -11.76 Td
(tha't )Tj
/T1_0 11 Tf
22.56 -0.24 Td
(Dr. )Tj
/T1_0 9 Tf
18.72 0 Td
(JoLrn )Tj
/T1_0 11 Tf
26.16 -0.24 Td
(Davy )Tj
/T1_0 10.5 Tf
29.04 0 Td
(recommended )Tj
/T1_0 12.5 Tf
70.56 -1.2 Td
(it )Tj
/T1_0 9.5 Tf
10.08 -0.24 Td
(as )Tj
/T1_0 10 Tf
13.44 0 Td
(the)Tj
/T1_0 11 Tf
-191.04 -11.76 Td
(rnost )Tj
/T1_0 11.5 Tf
28.32 0 Td
(useful )Tj
/T1_0 13.5 Tf
35.04 -0.24 Td
(for )Tj
/T1_0 11 Tf
20.16 -0.72 Td
(ascertaining )Tj
/T1_0 11.5 Tf
62.64 0 Td
(tLe )Tj
/T1_0 9 Tf
20.16 -0.24 Td
(presence)Tj
/T1_0 8.5 Tf
-166.08 -12.72 Td
(o1 )Tj
/T1_0 11 Tf
12.48 0.24 Td
(mrnute )Tj
/T1_0 11.5 Tf
38.4 0 Td
(quantitics )Tj
/T1_0 14 Tf
53.04 -0.72 Td
(in )Tj
/T1_0 10 Tf
15.36 -0.24 Td
(a )Tj
/T1_0 12 Tf
8.88 0 Td
(solution. )Tj
/T1_0 13 Tf
49.92 -0.48 Td
(It )Tj
/T1_0 9.5 Tf
11.28 0 Td
(has)Tj
-189.36 -11.76 Td
(beeu )Tj
24.96 -0.48 Td
(state,J )Tj
/T1_0 11 Tf
31.44 0 Td
(that )Tj
22.56 -0.24 Td
(tlre )Tj
/T1_0 13.5 Tf
18.72 2.88 Td
(initrie )Tj
/T1_0 9 Tf
36.72 -3.36 Td
(aci,-l )Tj
/T1_0 10 Tf
22.56 -0.24 Td
(appears )Tj
/T1_0 9.5 Tf
40.08 0 Td
(to)Tj
/T1_0 13 Tf
-196.8 -12.72 Td
(bc )Tj
/T1_0 12.5 Tf
18.24 -0.24 Td
(the )Tj
/T1_0 11 Tf
21.6 0 Td
(agcut )Tj
/T1_0 11.5 Tf
31.2 0 Td
(rvhich )Tj
/T1_0 10 Tf
35.52 -0.24 Td
(destroy's )Tj
/T1_0 12 Tf
44.64 -0.24 Td
(rhc )Tj
/T1_0 10 Tf
20.88 0 Td
(arrirnal)Tj
/T1_0 11 Tf
-172.32 -13.2 Td
(texiure, )Tj
/T1_0 10.5 Tf
39.84 -0.24 Td
(and )Tj
/T1_0 11 Tf
20.88 0.24 Td
(the )Tj
/T1_0 10 Tf
18.96 -0.24 Td
(black )Tj
/T1_0 11.5 Tf
27.12 0 Td
(stain )Tj
/T1_0 10.5 Tf
27.84 0 Td
(is )Tj
/T1_0 10 Tf
11.04 -0.24 Td
(orving )Tj
/T1_0 11 Tf
31.68 0.24 Td
(to )Tj
/T1_0 10.5 Tf
12.72 -0.24 Td
(the)Tj
/T1_0 11 Tf
-190.32 -13.2 Td
(separation )Tj
/T1_0 14 Tf
55.68 -0.24 Td
(of )Tj
/T1_0 11.5 Tf
16.08 0 Td
(oxide )Tj
/T1_0 13.5 Tf
31.92 0 Td
(of )Tj
/T1_0 12 Tf
15.6 0 Td
(silver*;" )Tj
44.4 -0.24 Td
(and )Tj
/T1_0 10.5 Tf
24.24 0 Td
(this)Tj
/T1_0 11.5 Tf
-187.92 -13.44 Td
(opirrion )Tj
/T1_0 13 Tf
42.48 -0.24 Td
(lras )Tj
/T1_0 11.5 Tf
25.2 0.24 Td
(been )Tj
/T1_0 12.5 Tf
30 0.24 Td
(very )Tj
/T1_0 12 Tf
28.32 0 Td
(generally )Tj
/T1_0 10 Tf
52.32 -0.48 Td
(enter-)Tj
/T1_0 14 Tf
-177.84 -13.44 Td
(taiued. )Tj
/T1_0 15 Tf
47.52 0 Td
(I )Tj
/T1_0 13.5 Tf
13.68 0 Td
(am )Tj
/T1_0 11.5 Tf
23.52 0.48 Td
(satisfied, )Tj
/T1_0 12 Tf
49.2 -0.48 Td
(however, )Tj
/T1_0 10.5 Tf
52.56 0 Td
(that)Tj
-187.2 -13.68 Td
(something )Tj
/T1_0 11 Tf
54 0 Td
(more )Tj
/T1_0 10.5 Tf
29.28 0 Td
(than )Tj
/T1_0 11 Tf
24.48 -0.24 Td
(this )Tj
/T1_0 10.5 Tf
20.88 0.24 Td
(takes )Tj
29.52 0.24 Td
(place, )Tj
/T1_0 9.5 Tf
31.2 -0.72 Td
(and)Tj
/T1_0 11.5 Tf
-188.88 -13.44 Td
(that )Tj
/T1_0 12 Tf
22.8 0 Td
(an )Tj
/T1_0 11 Tf
17.04 0.24 Td
[(actual )-130(combination )]TJ
/T1_0 10.5 Tf
97.44 0 Td
(of,"the )Tj
/T1_0 10 Tf
33.6 -0.24 Td
(organic)Tj
-170.64 -13.68 Td
(body )Tj
/T1_0 11.5 Tf
25.68 0 Td
(rvith )Tj
/T1_0 10.5 Tf
25.44 0 Td
(the )Tj
/T1_0 11.5 Tf
17.76 0.24 Td
(silver )Tj
/T1_0 9 Tf
31.44 -0.24 Td
(ensues )Tj
/T1_0 13 Tf
33.36 -1.44 Td
(; )Tj
/T1_0 10 Tf
7.68 1.68 Td
(and )Tj
/T1_0 14 Tf
20.4 -0.48 Td
(I )Tj
/T1_0 8.5 Tf
8.16 0.24 Td
(hr-rpe )Tj
/T1_0 10 Tf
25.92 0.24 Td
(to)Tj
/T1_0 11 Tf
-196.08 -13.92 Td
(liave )Tj
/T1_0 10.5 Tf
26.16 0 Td
[(an )-27(opportunity )]TJ
/T1_0 14 Tf
71.76 0.24 Td
(of )Tj
/T1_0 11 Tf
16.32 -0.24 Td
(examining )Tj
/T1_0 9.5 Tf
54.96 0 Td
(sorne )Tj
/T1_0 12 Tf
27.12 0 Td
(of)Tj
/T1_0 13 Tf
-196.08 -13.92 Td
(the )Tj
/T1_0 12 Tf
22.08 -0.24 Td
(very )Tj
/T1_0 11.5 Tf
26.64 0.24 Td
(complicated )Tj
/T1_0 10.5 Tf
66 0.24 Td
(phenomena )Tj
/T1_0 11 Tf
60.72 0 Td
(which)Tj
-175.68 -14.16 Td
(have )Tj
/T1_0 10.5 Tf
27.6 0 Td
(presented )Tj
/T1_0 11 Tf
51.12 0.24 Td
(themselves )Tj
/T1_0 15 Tf
59.28 -0.24 Td
(to )Tj
/T1_0 13 Tf
17.04 0.24 Td
(my )Tj
/T1_0 10 Tf
21.6 0.24 Td
(notice)Tj
/T1_0 10.5 Tf
-176.4 -13.92 Td
(during )Tj
/T1_0 10 Tf
33.36 0.24 Td
(investigations )Tj
/T1_0 11 Tf
66.72 -0.24 Td
(which )Tj
/T1_0 9 Tf
31.68 0.24 Td
(have )Tj
/T1_0 9.5 Tf
23.28 0.48 Td
(beeri )Tj
/T1_0 10 Tf
24.24 0 Td
(made)Tj
/T1_0 19.5 Tf
-173.52 -15.84 Td
(- )Tj
20.64 -1.92 Td
(rT*r*hffi)Tj
/T1_0 14 Tf
-230.88 500.64 Td
(t )Tj
/T1_0 12.5 Tf
8.16 -0.24 Td
(pt )Tj
/T1_0 12 Tf
14.4 1.44 Td
(rvhich )Tj
/T1_0 13.5 Tf
36.48 0.96 Td
(the )Tj
/T1_0 11.5 Tf
23.28 0 Td
(pBper )Tj
/T1_0 12.5 Tf
34.32 0 Td
(rv,;uld )Tj
/T1_0 10 Tf
38.16 0 Td
(scorclt,)Tj
/T1_0 9 Tf
-154.8 -15.6 Td
(cirig )Tj
/T1_0 11 Tf
19.44 1.2 Td
(thenr )Tj
/T1_0 11.5 Tf
28.8 0.48 Td
(both )Tj
26.64 0.24 Td
(in )Tj
/T1_0 10.5 Tf
12.48 2.88 Td
('wartr\) )Tj
/T1_0 10 Tf
32.64 -2.64 Td
(tubcs )Tj
/T1_0 10.5 Tf
27.84 -0.24 Td
(attd )Tj
/T1_0 10 Tf
21.12 0 Td
(her-)Tj
-201.6 -83.76 Td
(Ia)Tj
/T1_0 5.5 Tf
T*
(rgh,)Tj
/T1_0 6.5 Tf
0.48 -13.92 Td
(lm)Tj
/T1_0 11.5 Tf
33.6 96 Td
(ically )Tj
29.28 0.96 Td
(sealing )Tj
/T1_0 12.5 Tf
40.8 0.48 Td
(them, )Tj
/T1_0 11.5 Tf
35.04 0.24 Td
(cxposing )Tj
49.2 -0.24 Td
(one )Tj
/T1_0 10 Tf
23.52 0 Td
(to)Tj
/T1_0 10.5 Tf
-177.6 -15.12 Td
(actinic )Tj
33.6 1.2 Td
(iufluence, )Tj
/T1_0 12.5 Tf
48.96 0.48 Td
(u'hilst )Tj
/T1_0 11 Tf
36.24 0 Td
(the )Tj
/T1_0 11.5 Tf
18.72 0 Td
(otlrcr )Tj
/T1_0 10.5 Tf
30 0 Td
(x'as)Tj
/T1_0 11.5 Tf
-153.84 -15.36 Td
(ed )Tj
/T1_0 12 Tf
16.56 0.48 Td
(in )Tj
/T1_0 11.5 Tf
13.2 0.24 Td
(the )Tj
/T1_0 12.5 Tf
20.16 0 Td
(dark, )Tj
/T1_0 11.5 Tf
31.68 0.24 Td
(opcnrng )Tj
/T1_0 12 Tf
45.36 0 Td
(the )Tj
/T1_0 10 Tf
20.88 0 Td
(tubes)Tj
/T1_0 8.5 Tf
-162 -15.12 Td
(er )Tj
/T1_0 9.5 Tf
10.32 0.48 Td
(the )Tj
/T1_0 10.5 Tf
16.8 0.48 Td
(same )Tj
29.76 0.48 Td
(circumstaaces, )Tj
/T1_0 11 Tf
75.12 0 Td
(bttrninq )Tj
/T1_0 10 Tf
40.32 0 Td
(the)Tj
/T1_0 15 Tf
-151.92 -14.64 Td
(at )Tj
/T1_0 14 Tf
19.92 0.24 Td
(rlrc )Tj
/T1_0 12.5 Tf
24 0.24 Td
(sarrle )Tj
/T1_0 11.5 Tf
35.28 0.24 Td
(tcn\)perature, )Tj
/T1_0 9.5 Tf
70.08 -0.24 Td
(and)Tj
/T1_0 10 Tf
-165.12 -14.88 Td
(hing )Tj
/T1_0 12.5 Tf
22.08 0.48 Td
(the )Tj
/T1_0 11 Tf
21.36 0.48 Td
(ashes )Tj
/T1_0 12 Tf
33.36 -0.24 Td
(agaiust )Tj
/T1_0 10.5 Tf
42.48 0 Td
[(each )-137(other, )]TJ
/T1_0 13.5 Tf
58.32 0 Td
(I)Tj
/T1_0 9 Tf
-174.72 -11.76 Td
(jded )Tj
/T1_0 13 Tf
20.64 -2.16 Td
(in )Tj
/T1_0 11.5 Tf
14.16 0.24 Td
(reducing )Tj
/T1_0 11 Tf
49.2 0 Td
(thc )Tj
/T1_0 10 Tf
18.48 0.24 Td
(sources )Tj
/T1_0 12.5 Tf
38.16 -0.24 Td
(ol' )Tj
/T1_0 10 Tf
16.32 0 Td
(error)Tj
/T1_0 9.5 Tf
-162.48 -14.64 Td
(iderably )Tj
/T1_0 15 Tf
37.68 -0.72 Td
(; )Tj
/T1_0 11.5 Tf
9.36 1.44 Td
(and )Tj
/T1_0 13 Tf
23.04 0 Td
(tltc )Tj
/T1_0 11 Tf
20.64 0.24 Td
(result )Tj
/T1_0 7 Tf
30.24 0 Td
(11,11.s, )Tj
/T1_0 9 Tf
27.36 -0.24 Td
(i'.r )Tj
/T1_0 9.5 Tf
12.48 0 Td
(sevc-)Tj
/T1_0 10.5 Tf
-161.28 -14.88 Td
(experirnents, )Tj
/T1_0 12.5 Tf
64.56 1.2 Td
(that )Tj
/T1_0 13 Tf
25.2 0 Td
(tire )Tj
/T1_0 10.5 Tf
22.32 -0.24 Td
(actinizecl )Tj
/T1_0 10 Tf
48.24 0 Td
(oxidc)Tj
/T1_0 9.5 Tf
-160.56 -14.16 Td
(in )Tj
/T1_0 6.5 Tf
10.56 0.24 Td
('rve )Tj
/T1_0 12.5 Tf
13.2 0.24 Td
(ight )Tj
/T1_0 10 Tf
24.24 0 Td
(e-xactll' )Tj
/T1_0 11 Tf
38.16 0 Td
(\(ctr )Tj
/T1_0 13.5 Tf
19.68 0 Td
(tcry )Tj
/T1_0 10.5 Tf
26.16 0 Td
(nryt )Tj
/T1_0 7.5 Tf
20.88 0 Td
(I )Tj
/T1_0 11.5 Tf
4.56 -0.24 Td
(y\) )Tj
/T1_0 13 Tf
13.2 0.24 Td
(t\\c)Tj
/T1_0 11 Tf
-172.08 -13.44 Td
(ght )Tj
/T1_0 13.5 Tf
19.2 -0.48 Td
(of )Tj
/T1_0 14 Tf
15.36 0 Td
(tlic )Tj
/T1_0 12 Tf
21.36 0 Td
(oxi'gen )Tj
/T1_0 14.5 Tf
41.76 0.24 Td
(of )Tj
/T1_0 13 Tf
16.56 0 Td
(rhc )Tj
/T1_0 12 Tf
22.08 -0.24 Td
(oxide )Tj
/T1_0 11 Tf
32.64 -0.24 Td
(rm-)Tj
/T1_0 7 Tf
-166.56 -13.44 Td
(ed.)Tj
/T1_0 8 Tf
-7.2 -19.44 Td
(12. )Tj
/T1_0 10.5 Tf
14.16 0.24 Td
(Sevr:rlrl )Tj
/T1_0 11.5 Tf
39.6 -0.24 Td
(trials )Tj
/T1_0 12 Tf
28.32 0.24 Td
[(rvcre )-60(made )]TJ
/T1_0 13.5 Tf
64.56 -0.48 Td
(to )Tj
/T1_0 7.5 Tf
16.08 0 Td
(ASCCr'-)Tj
/T1_0 10 Tf
-164.4 -13.44 Td
(in )Tj
/T1_0 14.5 Tf
11.04 0 Td
(if )Tj
/T1_0 10 Tf
11.76 0 Td
(ttre )Tj
/T1_0 10.5 Tf
17.52 -0.24 Td
(filLns )Tj
/T1_0 15 Tf
28.32 -0.24 Td
(ol )Tj
/T1_0 12 Tf
16.08 0.24 Td
(oxitle )Tj
/T1_0 11.5 Tf
31.68 -0.24 Td
(of' )Tj
15.84 0.24 Td
(silr.cr )Tj
/T1_0 10.5 Tf
30.96 -0.24 Td
(ou )Tj
/T1_0 11 Tf
15.12 -0.24 Td
(tht)Tj
/T1_0 9 Tf
-167.04 -12.96 Td
(plates )Tj
/T1_0 9.5 Tf
27.36 0 Td
(lost )Tj
/T1_0 15 Tf
18.48 -0.48 Td
(t )Tj
/T1_0 10.5 Tf
9.36 0 Td
(eiqht )Tj
/T1_0 10 Tf
26.88 0.24 Td
(upon )Tj
/T1_0 10.5 Tf
25.68 -0.24 Td
(darkcuinq )Tj
49.2 -0.24 Td
(: )Tj
/T1_0 10 Tf
6.24 0 Td
(bur,)Tj
/T1_0 8.5 Tf
-174.72 -12.72 Td
(though )Tj
/T1_0 10.5 Tf
30 -0.24 Td
(sorne )Tj
/T1_0 9.5 Tf
29.76 -0.48 Td
(evidenc.e )Tj
/T1_0 10.5 Tf
45.12 0 Td
(was )Tj
/T1_0 11 Tf
22.8 0 Td
(obtlrincd )Tj
/T1_0 10.5 Tf
46.56 -0.24 Td
(that)Tj
/T1_0 9 Tf
-162.96 -12.96 Td
(did )Tj
/T1_0 9.5 Tf
15.36 -0.24 Td
(so, )Tj
/T1_0 12.5 Tf
15.84 -0.24 Td
(it )Tj
/T1_0 11 Tf
10.08 0 Td
(must )Tj
/T1_0 10 Tf
27.84 -0.24 Td
(bc )Tj
/T1_0 11 Tf
13.92 -0.24 Td
(adrnittcd )Tj
/T1_0 11.5 Tf
46.56 0 Td
(tliat )Tj
/T1_0 13.5 Tf
22.08 0 Td
(it )Tj
/T1_0 9.5 Tf
10.8 -0.24 Td
(rvas)Tj
/T1_0 12 Tf
-164.64 -12.48 Td
(at )Tj
/T1_0 14 Tf
13.68 -0.24 Td
(all )Tj
/T1_0 11 Tf
18.48 0 Td
(satisf.rctorily )Tj
/T1_0 10 Tf
67.2 -0.48 Td
(provc-cl )Tj
/T1_0 13 Tf
38.4 0 Td
(to )Tj
/T1_0 11 Tf
15.12 -0.24 Td
(be )Tj
/T1_0 10.5 Tf
15.84 0.24 Td
(thc)Tj
/T1_0 9 Tf
-165.12 -12.72 Td
(by )Tj
/T1_0 12 Tf
12.48 -0.48 Td
(this )Tj
22.56 -0.24 Td
(lrleaus. )Tj
/T1_0 11.5 Tf
43.68 -0.24 Td
(The )Tj
/T1_0 11 Tf
23.28 0 Td
(iilms )Tj
/T1_0 10 Tf
26.4 -0.24 Td
(seldorn )Tj
/T1_0 10.5 Tf
37.44 -0.24 Td
(cx.)Tj
/T1_0 8 Tf
-169.68 -11.52 Td
(ed )Tj
/T1_0 9 Tf
11.52 -0.24 Td
(a )Tj
/T1_0 11 Tf
8.16 -0.48 Td
(grain )Tj
/T1_0 11.5 Tf
28.08 -0.48 Td
[(in )-50(rveight, )]TJ
/T1_0 10.5 Tf
55.2 -0.24 Td
[(irnd )-89(the )]TJ
/T1_0 10 Tf
39.84 -0.24 Td
(pieccs )Tj
/T1_0 10.5 Tf
32.4 0 Td
(of)Tj
/T1_0 6 Tf
-210 -8.16 Td
(0)Tj
-0.24 -4.32 Td
(5)Tj
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