Bao Cao Thuc Hanh PTTP He Dai Hoc-BAI 8

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) = ................................................................................................................

Th tch mu nh mc (Vm) = ................................................................................................

Th tch mu xc nh (Vx) = ...................................................................................................

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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