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ID number:361497
 
Author:
Evaluation:
Published: 13.09.2019.
Language: Latvian
Level: College/University
Literature: n/a
References: Not used
Extract

Darba gaita:
1. Piecās 100 mL mērkolbās ielej 2; 4; 6; 8 un 10 mL 0,1 mol/L kālija nitrāta standartšķīduma. Mērkolbas ar destilētu ūdeni uzpilda līdz atzīmei.
2. Analizējamo augsnes paraugu nosver (aptuveni 20 gramus), pārnes koniskajā kolbā, atšķaida ar 100 mL destilēta ūdens. Maisījumā ievieto magnētisko ampulu un maisa ar magnētisko maisītāju 15 minūtes. Iegūto šķīdumu filtrē.
3. Mēra elektrovadītspēju, ievietojot šķīdumos konduktometra elektrodu (1999 µS).

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