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Strona 23
( 7 ) Arsenic pentoxide : A 5 per cent . solution was used on cut and uncut weeds
. A solution of arsenic pentoxide ( i . e . , really an arsenic acid solution ) is used
in the preparation of a weed killer against prickly pear in Australia . * ( 8 ) Sodium
...
( 7 ) Arsenic pentoxide : A 5 per cent . solution was used on cut and uncut weeds
. A solution of arsenic pentoxide ( i . e . , really an arsenic acid solution ) is used
in the preparation of a weed killer against prickly pear in Australia . * ( 8 ) Sodium
...
Strona 24
Arsenic pentoxide soln . 5 » » » Ditto . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 „ „ „ ,
Carbokrimp emulsion 10 per cent . by vol . Ditto . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 , ,
, Na chlorate soln . With spreader 5 per cent . by wt . Ditto Ditto 10 » » » Ca
chlorate ...
Arsenic pentoxide soln . 5 » » » Ditto . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 „ „ „ ,
Carbokrimp emulsion 10 per cent . by vol . Ditto . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 , ,
, Na chlorate soln . With spreader 5 per cent . by wt . Ditto Ditto 10 » » » Ca
chlorate ...
Strona 26
Similar remarks apply to the arsenic pentoxide solution , and it would seem that
these arsenic compounds act both by direct contact with the plant and possibly to
some extent through the soil . If arsenic and other inorganic compounds can act ...
Similar remarks apply to the arsenic pentoxide solution , and it would seem that
these arsenic compounds act both by direct contact with the plant and possibly to
some extent through the soil . If arsenic and other inorganic compounds can act ...
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