Chemicals Hordenine and methyl jasmonate were purchased from Tokyo Chemical Industry (Tokyo‚ Japan). Dimethyl sulfoxide (DMSO) was obtained from Sigma-Aldrich (Tokyo‚ Japan). Plant materials Two-year-old seedlings of Vitis vinifera cv. Koshu were cultivated in perlite:vermiculite (1:1) soil in a growth chamber (11.8 Wm-2 for 14 h in a day) at 27 °C. Seedlings of Fragaria×ananassa cv. Nyoho were grown in 55% peat moss‚ 10% perlite‚ 5% vermiculite‚ and 30% decomposed granite soil at 25 ºC in a greenhouse
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Acetone‚ MEK and Methyl Isobutyl Ketone‚ May 1972 Report No. 77 ACETONE‚ METHYL ETHYL KETONE AND METHYL ISOBUTYL KETONE by SHIGEYOSHI TAKAOKA May 1972 A private report by the PROCESS STANFORD ECONOMICS RESEARCH INSTITUTE PROGRAM I MENLO I PARK‚ CALIFORNIA Acetone‚ MEK and Methyl Isobutyl Ketone‚ May 1972 CONTENTS a 1 INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . 1 2 SUMMARY 3 3 4 5 . . . . . . . . . . . . . . . . . . . . . . . . . . Acetone .............
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Introduction The purpose of this experiment is to synthesize methyl nitrobenzoate from methyl benzoate‚ concentrated HNO3‚ and concentrated H2SO4 via an electrophilic aromatic substitution reaction. Reaction Procedures/ Observations Use a 50 ml beaker to cool about 6 ml of concentrated sulfuric acid in an ice water bath. Weigh the vial containing about 3 grams of methyl benzoate and add it to the cooled sulfuric acid. Next pour about 2 ml of sulfuric acid to the nitric acid in the vial
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means that cells which are not viable would not take up the dye and due to their age and not their ability to break down the methylene blue (as a result of their viability) would remain colourless and be determined to be viable (a false positive). The test itself is also not very accurate since yeast might not be evenly distributed in the original sample and depending on the
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19 marks (Red Bull) Question 1 Discuss 2 red bull greatest strength and 2 risks? Pros and cons Although Red Bull is a fairly young brand‚ it is currently the worldwide market leader in energy drinks. Today‚ Red Bull sells more than 4 billion cans of energy drinks each year in more than 160 countries. Red Bull’s success over the past 20 years can be attributed to the company’s ability to highlight its strengths and minimize its weakness Strengths 1. Red Bull’s marketing strategy Red Bull’s marketing
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Forming Methyl Orange an Azo Die Abstract: An synthetic azo dye was created by reaction of diazonium salt with N‚N-Dimethylanaline. The final product created was 4-dimethylaminoazobenzene-4-sulfonic acid‚ an orange clay-like substance. Sulfanilic acid was chemically manipulated by using sodium carbonate followed by cooled sodium nitrate and hydrochloric acid to form the diazonium salt used in the reaction. The products were washed in ethanol. The product was obtained at an 84% yield and was
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Exp’t 84 Synthesis of Methyl Benzoate by Fisher Esterification from K. L. Williamson‚ Macroscale and Microscale Organic Experiments‚ 2nd Ed. 1994‚ Houghton Mifflin‚ Boston p385 Revised 10/15/03 Prelab Exercise: Give the detailed mechanism for the acid-catalyzed hydrolysis of methyl benzoate. Introduction: The ester group is an important functional group that can be synthesized in a number of different ways. The low-molecular-weight esters have very pleasant odors and indeed are the major components
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11. Glass rod 12. Filter funnel 13. Beaker (80cm3) 14. Beaker (250cm3) 15. KA1 (monobasic acid‚ HX) 16. Methyl orange as indicator 17. Solid sodium carbonate 18. Distilled water Theory: To determine the exact concentration of a monobasic acid‚ HX‚a standard base solution is prepared. Then‚ a certain amount
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1. Chapter 1The Business and Society Relationship Question TF #1 Business can do just about anything it wants because we do not live in a socially conscious environment. a. True *b. False 2. Chapter 1The Business and Society Relationship Question TF #2 The business environment in current times‚ the first decade of the 21st century‚ can best be described as turbulent. *a. True b. False 3. Chapter 1The Business and Society Relationship Question TF #3 When speaking of business
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Synthesis of Benzanilide and Methyl 3-Nitrobenzoate and the Identification of ‘Unknowns’ from Spectroscopic and Physical Properties James Lucas 10394308 23/11/12 Introduction In this series of practicals it was the aim to synthesise both Benzanilide and Methyl 3-Nitrobenzoate. Benzanilide was synthesised using The Schotten Baumann reaction which takes a hydrogen atom from an amino group and substitutes it for an acyl group. For Methyl 3-Nitrobenzoate‚ NO2+ was used as an
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