TABEL  5. 
3 er  Soia  in  lOücc  S'-  Na,HP04  2 aq. 
3 gr.  boja  in  lUU  c.c.  ^ ^ KH.^O, 
50  c.c.  nitraat  gemengd  met  100  c.c.  water  + 
1.92  gr.  Na2HP04  2 aq. 
7.68  gr.  KH2PO4 
/)ƒƒ  = 6.13 
t 
minuten. 
c.c.  NaOH  N 
c.c.NH,1n 
gecorrigeerd. 
] 
i 
Q,lAlog^^  + Q,Q2y 
m-  ^ , 
k-  ^ 
60 
9.3 
0.6 
0.15 
0.00090 
0.00118 
90 
9.1 
0.8 
0.20 
0.00082 
0.00108 
120 
8.9 
1.- 
0.25 
0.00079 
0.00104 
150 
8.65 
1.25 
0.31 
0.00082 
0.00107 
180 
8.45 
1.45 
0.36 
0.00082 
0.00108 
210 
8.2 
1.7 
0.425 
0.00087 
0.00114 
240 
8.05 
1.85 
0.46 
0.00084 
0.00111 
270 
7.8 
2.1 
0.525 
0.00090 
0.00120 
315 
7.7 
2.2 
0.55 
0.00083 
0.00110 
370 
7.5 
2.4 
0.60 
0.00081 
0.00107 
Gemiddeld  0.00084 
i X 0.00084  = 0.00028. 
3 gr.  Soja  in  100  c.c.  | 
TABEL  6. 
7.28  gr.  Na2HP04  2 aq. 
2.32  gr.  KH2PO4 
50  c.c.  nitraat  gemengd  met  100  c.c.  water  + ^ r ^ 
( 5.  /o  gr.  KngrU4 
pH  = 6.40 
t 
minuten. 
c.c.  NaOH^^N 
C.C.NH34N 
gecorrigeerd. 
y 
0,394 /o^j'-f0,02>/ 
1 , 1 
m-  t 
\k—  f 
30 
9.3 
0.6 
0.15 
0.00103 
0.0023 
60 
8.8 
1.1 
0.275 
0.00101 
0.0023 
90 
8.4 
1.5 
0.375 
0.00098 
0.0023 
125 
7.95 
1.95 
0.488 
0.00100 
0.0023 
150 
j 7.6 
2.3 
0.575 
0.00105 
0.0025 
180 
7.4 
2.5 
0.625 
0.00101 
0.0024 
215 
7.1 
2.8 
0.70 
0.00102 
0.0024 
240 
6.95 
2.95 
0.738 
0.00102 
0.0024 
270 
6.75 
3.15 
0.788 
0.00104 
0.0025 
300 
6.6 
3.3 
0.825 
0.00105 
0.0025 
Gemiddeld  0. 00102 
i X 0.00102  = 0.00034. 
