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métodos de anälise fisica, quimica e instrumental de solos

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EQUTVALÊNCIA ENTRE 1 ml H2SO4 0,1 N<br />

E DIVERSAS SUBSTÄNCIAS<br />

Substantias mg Substantias mg<br />

Na2C03 5,30 CaO 2,804<br />

NaHC03<br />

Na20<br />

NaOH<br />

Na2B407<br />

Na2B407.10H20<br />

8,402<br />

3,1<br />

4,00<br />

10,06<br />

19,07<br />

ZnÓ 4,069<br />

. MgO 2,016<br />

MgC03 4,216<br />

Li2C03 3,695<br />

Citrato <strong>de</strong> Sódio Anidro 8,60<br />

Tartarato <strong>de</strong> só­<br />

KOH<br />

K2CO3<br />

KHCO3<br />

N<br />

5,61<br />

6,910<br />

10,01<br />

1,4<br />

dio e potässio<br />

Hexamina<br />

(C6Hi2N4)<br />

Uretana<br />

(C3H7O2N)<br />

Efedrina<br />

10,508<br />

3,505<br />

8,909<br />

16 52<br />

(CioHisON)<br />

NH3 1,70 Estricnina 33,44<br />

N205 5,401 Emetina 24,05<br />

N03 6,2008 ; Piridina 7,9<br />

— 106 —

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