Dairy laboratory manual and note book . Small laboratory cream scales. Bottle No | % fat \ A i \b At the bottom of the page explain— 1. Why read cream columns different from milk. 2. Why cream is weighed out instead of being measured out, as is donewith milk. 3. Why 9 cc. of water is added before the acid. GradeDate . (24) EXERCISE 7. Object.—To test cream for fat content by Babcock method. Repeat Exercise 6. Run as many samples as possible, during laboratoryperiod. Report. Bottle No %!Mii At the bottom of the page ex-plain— 1. How many pounds of fat in1875 pounds of cream with a testof the fi
Dairy laboratory manual and note book . Small laboratory cream scales. Bottle No | % fat \ A i \b At the bottom of the page explain— 1. Why read cream columns different from milk. 2. Why cream is weighed out instead of being measured out, as is donewith milk. 3. Why 9 cc. of water is added before the acid. GradeDate . (24) EXERCISE 7. Object.—To test cream for fat content by Babcock method. Repeat Exercise 6. Run as many samples as possible, during laboratoryperiod. Report. Bottle No %!Mii At the bottom of the page ex-plain— 1. How many pounds of fat in1875 pounds of cream with a testof the first sample? 2. What was the color of thefat in the column? Any variation? 3. What would happen if theacid were added before the water? 4. Why is 9 grams used for asample. 5. When cream is weighed doesit have to be at a temperature offrom 60° to 70°?. Small four-bottle tester. GradeDate. EXERCISE 8. (25) Object.—To determine the percentage of fat in skimmilk and —Samples of each, skimmilk and whey; skimmilk bottles; pipette; acid measure; mixing beakers; acid; hot water 1. Measure out cc. first of skimmilk in each of two skimmilk bottles. Proceed as for whole milk test except use a little in excess of cc. of 2. Repeat test in the same manner using whey instead of skimmilk. SkimmilkBottle. Re-port. Skimmilk bottle j % of fat \ - C B Whey bottle No % of fat {- C B 1 ! At the bottom of the page explain— 1. Why is a different bottle used for whole milk than skimmilk? 2. Why is a little more acid used than in the whole milk test? 3. How many pounds of fat in 1700 pounds of skimmilk with the abovetest? In 2500 pounds of whey with the above test? GradeDate . (26) EXERCISE 9. Object.—To determine the percentage of fat in buttermilk. Apparatus.—Sample of buttermilk; two skimmil
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