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Bo co Thc hnh phn tch thc phm - H i hc
1
BI 8: XC NH LACTOZA TRONG
SA C C NG
1.1. CU HI CHUN B
1. Trnh by vai tr cc ha cht s dng trong th nghim.
2. Vit cc phng trnh phn ng xy ra.
3. Gii thch ngha ca tng bc phn tch.
4. Gii thch cc i lng trong cng thc tnh.
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H v tn: ..........................................
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Bo co Thc hnh phn tch thc phm - H i hc
2
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Bo co Thc hnh phn tch thc phm - H i hc
3
1.2. BI TNG TRNH
Khi lng mu (m) =
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Th tch mu nh mc (Vm) =
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Th tch mu xc nh (Vx) =
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Th tch KMnO4tiu tn (mL): V1 = .; V2 = ; V3 = .; Vtb =
Tnh kt qu, biu din theo tin cy ng vi P = 0,95
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