� �
� � � � �, � � � � � � � �!
� � � (�) �. � � �.
� � � � � � � � �.
� � �, � � �!
� � � �.
� � � � � �, � �, � � �!
� � � � � � � � � �, � � � � � �.
�, � � � �, � � � � �-� �
� �
�: � �.
� � � � �.
� � � �, �, �, � � � �.�
- � � �: 99,7%- �: 0,12%- NaCl: 0,09%- H2O: 0,03%- � (Fe): 0,9 �/�
� � � (� �) � � � � � �, � � � � � � � �.
� � � � � � � � �-�, � � � �-� � � � � �. � � � � � � �, � � � �, �, �, �, �, �.
� � � (� �), � U (BASF) � � � � � �-� --> �...
�
� �
� �
�
�
NH4Cl
� �
20%
�
�
� �
ammonium chloride
�
12
