A amel.chaf New Member Nov 6, 2009 #1 السلام عليكم ارجوا ان تساعدوني باعطائي طريقة قياس chemical oxygen demand (COD)
K King Of Coal Member Dec 1, 2009 #2 FIRST YOU MUST PREPARED SOME REAGENT 1- POTASIUM DI CROMATE 2- FERROUS AMMOUNIUM SULPHATE 3- FERRION INDICATOR 3- FLASKS 500ML IF YOU READY TO START NO PROBLEM WITH ME BUT TELL ME
FIRST YOU MUST PREPARED SOME REAGENT 1- POTASIUM DI CROMATE 2- FERROUS AMMOUNIUM SULPHATE 3- FERRION INDICATOR 3- FLASKS 500ML IF YOU READY TO START NO PROBLEM WITH ME BUT TELL ME
chemistry مستشار كلية العلوم النهرالخالد طاقم الإدارة Dec 5, 2009 #3 المطلوب موجود فى هذا الكتب http://ifile.it/rpti05m/9788122422375.pdf