Full Description
| Cataloguing Source | LibUI ind rda |
| Content Type | text (rdacontent) |
| Media Type | unmediated (rdamedia); computer (rdamedia) |
| Carrier Type | volume (rdacarrier); online resource (rdacarrier) |
| Physical Description | xiv, 56 pages ; 29 cm + appendix |
| Holding Institution | Universitas Indonesia |
| Location | Perpustakaan UI, Lantai 3 |
- Availability
- Digital Files: 8
- Review
- Cover
- Abstract
| Call Number | Barcode Number | Availability |
|---|---|---|
| T24402 | 15-19-133423295 | TERSEDIA |
| No review available for this collection: 123802 |
Abstract
Pada penelitian ini dilakukan perancangan konfigurasi perangkat optik untuk mengukur konsentrasi fitoplankton dalam medium cair Konfigurasi perangkat tersebut bekerja dengan memanfaatkan fenomena fluoresensi, yang terdiri dari laser dioda ungu (A = 405nm, P = 4mW, repetisi pulsa = l ms), curette, filter optik, dan fotodioda. Dari pengujian terhadap kultur ('hlurellu sp. didapatkan bahwa untuk rentang konsentrasi 0 - 15. 106 semi diperoleh hubungan yang konsisten antara intensitas fluoresensi dengan kenaikan konsentrasi sel, yaitu meningkat secara tinier seiring dengan peningkatan konsentrasi sel. Gradien untuk rentang konsentrasi yang tinggi (1106 - 15 . 10'' sel/ml) adalah < 5. 10 9nillsel, sedangkan untuk rentang konsentrasi rendah (2'10- 1 .10'sel/ml) 610-9ml/sel. Ambang pengukuran konsentrasi ('lifore la sp. di sekitar 2. 102 sel/ml.
In this research, has been designed the optical device configuration aim for measuring the concentration of phytoplankton suspension. The device works according to fluorescence phenomenon, composed of violet diode laser (, = 405nm, P = 4mW, pulse repetition = l ms), cuvette, optical filter, and photodiode. From the measurement results, it is shown that the fluorescence intensity has a consistent relationship with the ('h/orellu sp, concentration in the range of 0 - 15'106 cell/nil, increase linearly to the cell concentration. The gradient for high concentration (1 10" -15. 10` cell/ml) is < 5 ' 10'9ml/cell, while for low concentration (2-102 - 1I0" cell/ml) is = 6.10 `'nil/cell. The threshold (Wore/la sp. concentration of measurement is about 2.102 cell/ml.
In this research, has been designed the optical device configuration aim for measuring the concentration of phytoplankton suspension. The device works according to fluorescence phenomenon, composed of violet diode laser (, = 405nm, P = 4mW, pulse repetition = l ms), cuvette, optical filter, and photodiode. From the measurement results, it is shown that the fluorescence intensity has a consistent relationship with the ('h/orellu sp, concentration in the range of 0 - 15'106 cell/nil, increase linearly to the cell concentration. The gradient for high concentration (1 10" -15. 10` cell/ml) is < 5 ' 10'9ml/cell, while for low concentration (2-102 - 1I0" cell/ml) is = 6.10 `'nil/cell. The threshold (Wore/la sp. concentration of measurement is about 2.102 cell/ml.