Plan for Cooperating in the Study of Available Plant Food
The book Plan for Cooperating in the Study of Available Plant Food was written by author Charles C Charles Chilton Moore Here you can read free online of Plan for Cooperating in the Study of Available Plant Food book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Plan for Cooperating in the Study of Available Plant Food a good or bad book?
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Then with ordinary alcohol wash directly into a filter, washing two or three times, and adding the washings to the decanted liquid in the dish. Any sedi- ment that may have gone over in the decantation can do no harm. The evaporation should be carried on very slowly on a steam r water bath, else the alcohol will boil over. When the alcohol has evaporated there will be left a large amount of ammonium chloride in the residue. Care must be taken that all the alcohol is volatilized, after which the... residue is dissolved in about 30 or 40 c. C. Of water. T the solution add 2 or 3 c. C. Of HNO ;{ ; cover and heat on the bath very gradually (else there will be a violent ebullition due to the liber- al i>n of nitrous oxide). When ebullition has subsided, remove the cover and evaporate to dryness; then to the dish when cooled add two or three drops of HNO a, 10 or 15 c. C. Of water, and warm until solution is effected. Wash from the dish with a minimum quantity of water into a beaker of suitable size for the determination of P-( ).
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