EXPERIMENT 4 ANALYSIS OF HYDROCARBON IN COMMON FUELS BY SOLID-PHASE MICROEXTRACTION (SPME) AND GAS CHROMATOGRAPHY-MASS SPECTROMETRY (GC-MS) Abstract In the analysis the solid-phase microextraction (SPME) and capillary gas chromatography/mass spectrometry (GC/MS) was developed for the identification of volatile compounds (hydrocarbon) in fuel. The samples was used is (kerosene‚ diesel‚ thinner and petrol) and one unknown. After the analyte was extracted by SPME in 20min‚ it directly injected
Premium Gas chromatography Chromatography Benzene
Phlebotomy Review Question What is the study of blood and blood-forming tissues called? Which of the following is NOT a component of a CBC: RBC count‚ WBG count‚ ESR‚ Hct. or Hgb? For what is AFB a test? What type of consent is inferred by signs‚ inaction or silence? If one is neglectful or fails to perform an obligation they are guilty of which of the following: breach of duty‚ damages‚ libel‚ slander or precedent? The Latin phrase that means "Let the master answer" is which of the following: guardian
Premium Physician Venipuncture Blood
Scarlet Letter‚ we are shown how twisted this model of society is. The people torment Hester‚ but refuse to see that their beloved minister carries the same sin in his heart; in fact‚ they revere him all the more for it. In his chapters‚ “Hester at Her Needle‚” and “The Interior of a Heart‚” Hawthorne creates an ironic contrast between Hester’s public torment and Dimmesdale’s inner agony. While there are many parallels between the two chapters‚ the contrasts in the character’s ways of dealing with their
Premium The Scarlet Letter Nathaniel Hawthorne Sin
Running head: AFRICAN AMERICAN HEALTH ISSUES The Health Issues Concerning the African American Population Andrea Chisholm 2633467 Health Studies 201 Assignment 3 Athabasca University August 20‚ 2007 Student Manuel © 2005 African Americans first arrived to the United States as a crew on a pirate ship in the year 1619 (Bennett‚ 1992 as cited in Edelman & Mandle‚ 2002). The American population saw these new immigrants as an opportunity and captured many of the six million
Premium African American Black people Race
by an electric motor. Two comb-shaped conductors D and E having number of needles are mounted near the pulleys. The comb D is maintained at a positive potential on the order of 104 volts by a power supply. The upper comb E is connected to the inner side of the hollow metal sphere. Working The high electric field near the comb D‚ ionizes the air due to action of points‚ the negative charges in air move towards the needles and positive charges are repelled on towards the belt. These positive charges
Premium Electric charge
Natural materials‚ like lambskin‚ are porous and will not prevent the virus from passing through. 4. Reduce the number of sexual partners. The higher the number of partners‚ the greater the risk of transmission. 5. Do not ever share needles. This includes needles with illegal drug use and also the administration of prescription drugs at home. Do not engage in any activity that puts you in contact with someone else’s blood. 6. Avoid sharing personal items like toothbrushes and razors‚ as they
Premium AIDS HIV Sexual intercourse
’s office for a simple checkup. The examination approaches its end and a sample of your blood is needed. As your doctor prepares the needle‚ he unknowingly pricks himself getting his blood on the needle. A week later‚ your results come back and show that you prove positive for HIV. It turns out that your doctor is HIV positive and passed it on to you from the needle with a blood sample unseen by the naked eye. In outrage‚ you sue the hospital taking much-needed funds from the institution. This is
Premium Patient Health care provider Health care
Prevention of Communicable Diseases Tuberculosis: Infection control strategies: There are three levels of infection control (IC) measures: administrative (managerial)‚ environmental‚ and personal respiratory protection. Administrative controls are the most important since environmental controls and personal respiratory protection will not work in the absence of solid administrative control measures. Each level operates at a different point in the transmission process: • Administrative
Premium Tuberculosis Infectious disease HIV
Sample Paper –2013 Class X Sub: Science TIME – 2 ½ HOUR MAXIMUM MARKS = 60 (Each question carrys 1 mark) 1. Name the functional group present in CH3COCH3. 2. State modern periodic law. 3. Why are detergents harmful? 4. Define menopause. 5. Write the full form
Free Periodic table Chemical element Atomic number
consideration in Gould’s true agreement I agree with his evidence about nature and its necessity to human beings. In Gould’s defense supporting evidence for his true argument in the text was the belief that AIDs only was a disease in three irregular groups (needle users‚ homosexuals‚ and Haitians)‚ AIDS is real and not a dream/fairy tale. Also that AIDS is a natural phenomenon that can affect your love ones‚ and you have two choices after discovering AIDS information: (sit on your butt and panic and be scared
Premium Natural selection Science Race