The Chlorophyll Production and Hydrogen Produced Potency by Phytoplankton Chaetoceros Calcitrans, Chlorella Vulgaris,

The research about Determination of chlorophyll productivity and potency of hydrogen produced by phytoplankton Chaetoceros calcitrans, Chlorella vulgaris, Dunaliella salina, and Porphyridium cruentum have been done. It used sea water that was added by Conway medium and vitamin as culture media on the fourth species of phytoplankton test. Dry biomass of phytoplankton was extracted using acetone p.a. to take the chlorophyll. Analysis method was carried out by the sonication extraction for short and cheap in the lysis cell of phytoplankton and UV/VIS spectrophotometer to determine chlorophyll concentration through the Richards and Thompson equation. The result indicated that phytoplankton C. vulgaris produced the most amount of the chlorophyll and the potency of hydrogen are 72.541 µg/mL and 636,4 L/kg DW successively from the dry biomass 1,4187 g and the higher cell density 3.060 x 10 4 cell/mL. The amount of hydrogen indicated that C. vulgaris has potential as the source of renewable energy