This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1921 Excerpt: ...the sodium and potassium chlorides which form a large percentage of the inorganic constituents of milk. Fat Adams' Paper Coil Method Procedure.--Suspend strips of fat-free paper from the edge of the desk and deliver evenly upon each exactly 5 c.c. of milk from a pipette. Allow the paper to dry partially, then roll into ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1921 Excerpt: ...the sodium and potassium chlorides which form a large percentage of the inorganic constituents of milk. Fat Adams' Paper Coil Method Procedure.--Suspend strips of fat-free paper from the edge of the desk and deliver evenly upon each exactly 5 c.c. of milk from a pipette. Allow the paper to dry partially, then roll into a coil, bind with a clean tinned iron wire, place both coils into a small beaker, and dry in the water oven at 100 0 C. for two hours. Place the coils into large inner extraction tubes over the ends of which pieces of hard fat-free filter paper have been fastened by means of tinned iron wire (see Fig. 22, A). Place the inner extraction tubes inside two Soxhlet extractors, attach to the Hopkins condensers, connect with clean weighed Erlenmeyer flasks into which 50 c.c. of dry ether have been placed, and extract for two hours. The arrangement of the apparatus is shown in Fig. 22. The Erlenmeyer flask is best heated by means of an electric air bath as illustrated in Fig. 23. Connect the flasks containing the ether with condensers which are set up for this purpose, and recover the ether by distillation. The distillation apparatus is shown in Fig. 24. Dry the flask and fat in the water oven to constant weight and calculate the percentage of fat in the milk. Babcock Metliod Procedure.--Measure out 17.6 c.c. of milk with a Babcock pipette, transfer to a Babcock test bottle, and add in small portions 17.5 c.c. of commercial sulphuric acid, shaking the flask after each addition. Thoroughly mix the acid and the milk, until the curd which separates at first is completely dissolved. Prepare duplicates at the same time. Immediately place the bottles into the centrifugal machine (Fig. 25) opposite each other, replace the cover, and turn the machine at a hi...
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Add this copy of Exercises in Elementary Quantitative Chemical Analysis to cart. $20.01, very good condition, Sold by Websters Bookstore Cafe rated 5.0 out of 5 stars, ships from State College, PA, UNITED STATES, published 1920 by MacMillan.
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Seller's Description:
Very good. Teal cloth. Spine ends and corners a tad worn, cloth a bit spotted and scratched, former owner's initials written on edges, else internally clean and tight.
Add this copy of Exercises in Elementary Quantitative Chemical Analysis to cart. $35.00, good condition, Sold by Frost Pocket Farm - IOBA rated 3.0 out of 5 stars, ships from Fleetville, PA, UNITED STATES, published 1914 by MacMillan, (1907).
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Seller's Description:
Hardcover, original green cloth, 218 pp + ads, illustrated with drawings and photos. Good+ to very good, no dustjacket. Corners bumped with a bit of cardboard exposed there and along 3/4 inches of the side edge of the front board, 1/2 inch tear at head of spine with a few lesser nicks and chips, lettering dulled, some soil on cloth, an approximately 1 inch deep water (? ) stain on lower edge of front board, dusting on top edge of textblock. Internally, previous owner's name and address (Francis McCabe, Troy NY) on paste-down front and rear endpapers, his signature on top edge of title page and 1 or 2 pages in-text, old bookseller's prices (in pencil), an approximately 1/2 inch deep light water(? ) stain on top edge and portion of side edge of text, tanning on 4 leaves from laid-in papers, otherwise tight, clean, paper crisp, unmarked; probably never reallly read. Chemistry; science; school.
Add this copy of Exercises in Elementary Quantitative Chemical Analysis. to cart. $48.70, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2011 by Nabu Press.