PPT ini adalah hasil proyek siswa kelas 8 di SMPN 81 Jakarta

1. Cleansing
Effect by
Ctitrus Fruits
Arranged by :
Griselda, Ronan Christantio
Callysta, Esther Hellen, Kevin
Susanto.

2. Aim / Objective :
This study aimed to find which citrus fruits, are common
household waste, had a better cleansing effects.

3. Types of citrus fruits that are going to be tested
•Mandarin orange
•Tangerine
•Sunkist
•Lemon
•Lime

4. Which of citrus fruits most common used for
cleansing?
Lime and Lemon!

5. How do we extract the citrus fruits?
Citrus fruits was extracted via simple soak, then filter
method.

6. To study its cleansing extand, Lipase extract was
added to distilled vinegar.
The acidity of both kills germs, making them perfect
for a bathroom cleaner, a kitchen counter cleaner, and
pretty much any kind of cleaner.

7. Steps

8. Mandarin
Orange.
Original pH lvl: 11
pH lvl with vinegar:
Time taken : 20 sec

9. Tangerine.
Original pH lvl: 4
pH lvl with vinegar:
Time taken : 15 sec

10. Sunkist.
Original pH level :
pH lvl with vinegar:
Time taken : 59 sec

11. Lemon.
Original pH level : 2
pH lvl with vinegar:
Time Taken : 9 sec

12. Lime.
Original pH level : 2
pH lvl with vinegar:
Time taken : 8 sec

13. Conclusion