Archive image from page 24 of Dairy laboratory manual and note. Dairy laboratory manual and note book dairylaboratorym01anth Year: 1914 Grade Date. EXERCISE 6. (23) Object.—To test cream for fat content by Babcock method. Apparatus.—Two cream bottles; acid measure; acid; cc. pipette; sample of cream; two mixing beakers; scales; hot water bath. Step 1. Mix sample of cream thor- oughly by pouring from one beaker to another, care being taken not to churn it. Step 2. Balance cream bottle A on scales and weigh into it 9 grams of cream. Duplicate in bottle B. Step 3. Measure out about 9 cc. o
Archive image from page 24 of Dairy laboratory manual and note. Dairy laboratory manual and note book dairylaboratorym01anth Year: 1914 Grade Date. EXERCISE 6. (23) Object.—To test cream for fat content by Babcock method. Apparatus.—Two cream bottles; acid measure; acid; cc. pipette; sample of cream; two mixing beakers; scales; hot water bath. Step 1. Mix sample of cream thor- oughly by pouring from one beaker to another, care being taken not to churn it. Step 2. Balance cream bottle A on scales and weigh into it 9 grams of cream. Duplicate in bottle B. Step 3. Measure out about 9 cc. of water at 60° to 70° for each cream bottle. Add to each bottle. Step 4. Measure out cc. of acid for each bottle and complete test as for whole milk. Note.—Read cream test from bottom of fat column to bottom of top meniscus. Report. Small laboratory cream scales. Bottle No fat 1 A At the bottom of the page explain— 1. Why cream columns are different from milk. 2. Why cream is weighed out instead of being measured out, as is done with milk. 3. Why 9 cc. of water is added before the acid.
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