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S U I { B E R I O N O T I O R A ( 6 1 O 3 O B 9 O O 1 ) - " H e n p e l a j a r i P e n E J a r u h Haean Tepung dan Konsentrasi lf a"HPO4 Terhadap Beberapa S i f a t F i s i s , K h e n i s d a n S e n s o r i - s - F . L a k e B a y a n " . D i b a w a h b i n b i n g a n : D R . I r - H T r i $ u s a n t o , l l - A p p . S c . I r . P e t r u s S r i N a r y a n t o . I n d o n e s i a m e r u p a k a n n e g a r a a g r a r i s , V a n E b a n y a k m e m p u n y a i b a h a n b a k u d a r i s e k t o r p e r t a n i a n , k h u s u s n y a s a y u r - s a y u r a n d a n b u a h - b u a h a n . S a y u r - s a y u r a n d a n b u a h -b u a h a n l n i r n e r u p a k a n s u m -b e r v i t a m i n d a n m i n e r a l . S a l a h s a t u n i n e r a l y a n E p a n t i n g b a g i t u b u h m a n u s i a y a i t u z a t b e s i . Z a t b e s i a t a u F e i n i b a n y a k t e r d a p a t d i s a y u r a n b a y a m . F l a k e a d a l a l ' r s u a t u p r o d u k k e r i n g b e r b e n t u k b u 1 a t , p i p i h d a n n e m p u n y a j , t e p i y a n E l t i d a k b e r a t u r a n s e r t a b e r k e m a m p u a n u n t u k m e l a k u k a n r e h i d r a s i . T u j u a n d i l a k u k a n p e n e l i t i a n i n i y a i t u u n t u k r n e n g e t a h u i a p a k a h t e r d a p a t h u b u n € a n a n t a r a k o n s e n t r a s l N a 2 H P O a d a n n a c a m t e p u n g y a n g d i g u n a k a n t e r h a d a p b e 6 e r a 6 a s i f a t f i s i s , k h e m i s d a n k e n a m p a k a n f l a k e b a y a n . S e d a n g k a n r a n c a n E l a n p e r c o b a a n y a n g d i € u n a k a n a d a l a h R a n e a n g a n A c a k K e l o m p o k , y a n E l d i s u s u n s e c a r a f a k t o r i a l d e n g a n 2 f a k t o r d a n 3 k a l i u l a n g a n . F a k t o r p e r t a n a a d a l a h m a c a m t e p u n g d e n g a n 3 n a c a m l e v e l s e d a n g k a n f a k t o r k e d u a a d a l a h k o n s e n t r a s i N a 2 H P O a d e n g a n 3 m a c a n l e v e l s e h i n g g a d i p e r o l e h I k o m b i n a s i - p e r l a k u a n . A d a p u n a n a l l s a y a n E l a k a n d i l a k u k a n n e l i p u t i a n a l i s a b a h a n d a s a r d a n p r o d u k a k h i r . A n a l i s a t e r h a d a p b a h a n d a s a r m e l i p u t i a n a l i s a k a d a r a i r d a n k a d a r F e . A n a l i s a p r o d u k a k h i r n e l i p u t i a n a l i s a k a d a r a i r , d a y a p a t a h , k a d a r F e , d a y a r e h i d r a s i d a n u j i o r E l a n o l e p t i k . H a e a n t e p u n E l d a n p e n a n b a h a n N a 2 H P O 4 d e n g a n k o n s e n t r a . s i y a n g b e r b e d a n e n b e r i k a n p e n g l a r u h y a n B n y a t a t e r h a d a p k a d a r b e s i , . k a d a r a i r , d a y a r e h i d r a s i . , d a y a p a t a h , d e n s i t a s k a m b a d a . n u i i o r G f a n o l e p t l k y a n g m e l i p u t i k e n a m p a k a n d a n r a s a . K o m b i n a s i p e r l a k u a n y a n g t e r b a i k d a r i F l a k e b a y a n t a d a l a h p e n g g u n a a n t e p u n g t a p i - o k a d a n p e n a m b a h a n N a 2 l { P O 4 l < o n s e n t r a s l 0 , 0 3 2 d e n E l a n k a d a r b e s i 2 , 9 8 n E / t O O g b a h a n , k a d a r a i r 3 , 4 L ' 1 , k a d a r a i r s q t e l a h r e h i d r a s i 5 m o n i t 7 2 , 2 3 ' 1 , d a y a p a t a l r L , 7 2 k E / e n a , d a n d e n s i t a s k a r n b a 0 , 1 4 g / n l s e r t a u j i k e n a m p a k a n 4 , 8 ( s u k a ) d a n r a s a 4 , 7 5 ( s u k a ) .
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