Bijlage B.
Bijlage IV.
20
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Bijlage B.
Bijlage V*
21
RESULTATEN VAN HET CHEMISCH ONDER
ZOEK VAN WATER DER GEMEENTELIJKE
WATERLEIDING TE ZUTPHEN.
Datum v. monsterneming.
24 Sept. 1930.
27 Nov.
Chloor mlgr. per
Liter 92.5
91.5
Nitriet
0.007
0.005
Nitraat
2.6
2.3
Sulfaat
9.0
8.5
Hydrocarbonaat
274.
268.
Ammonium
afwezig
afwezig
ÏJzer
0.07
0.05
Permanganaatverbruik,,
14.4
14.2
Phosphaat
afwezig
afwezig
Hardheid v. Blacher
11.9
10.8
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