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Page 1: Counting Chamber

COUNTING CHAMBERCICIK KHOIRUN NISA’ 2313 030 060

Kelompok 6B

PRIMAGITA AUDITANTYA B. 2313 030 066

RICKO ABRAHAM S. 2313 030 080AHMAD RESKI KURNIAWAN 2313 030 054

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TUJUAN PERCOBAAN

Menghitung jumlah sel mikroorganisme

menggunakan metode counting chamber

COUNTING CHAMBER 6B Laboratorium Teknologi Makanan

DIII Teknik Kimia FTI-ITS 2014

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MI

KROB

ACOUNTING CHAMBER 6B Laboratorium Teknologi

Makanan DIII Teknik Kimia FTI-ITS 2014

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EDU

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15 meni

t

2 atm

121 °C

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COUNTING CHAMBER 6B Laboratorium Teknologi Makanan

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AQUADES

GLUKOSA

NUTRIENT BROTH

AGAR PLANT

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COUNTING CHAMBER 6B Laboratorium Teknologi Makanan

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P SR O E D UCOUNTING CHAMBER 6B Laboratorium Teknologi

Makanan DIII Teknik Kimia FTI-ITS 2014

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P SR O E D UCOUNTING CHAMBER 6B Laboratorium Teknologi

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PERHITUNGAN

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RUN KOTAK TOTAL JUMLAH SEL KOTAKA B C D E

1 6 8 7 8 7 36 7,2

2 9 10 9 10 7 45 9

3 9 8 7 8 5 37 7,4

∑ 23,67,86 sel 23,6 = Jumlah sel ragi rata-ratakotak 3

= 1966,67 sel 1 x 1 kotak x 7,86 sel = Jumlah sel

ragimm3 0,1

mm0.0025 mm2 kotak

1.966.670 sel 1000 mm3 x 1966,67 sel = Jumlah sel ragi pada pengenceran 104x =

ml sampel 1 ml mm3

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