'Physical methods' presentation slideshows

Matter and Change

847 views • 71 slides

The Control of Microbial Growth

The Control of Microbial Growth. Chapter 7. History. Use of drying and salting to preserve foods Ignaz Semmelweiss (1840)- aseptic techniques Joseph Lister (1867)- use of phenolics, aseptic surgery. The Terminology of Microbial Control.

1.17k views • 59 slides

Controlling Microbial growth in the environment chapter 9

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Operational Level Lesson 6 Presentation

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Dmitri Mendeleev

Dmitri Mendeleev.

731 views • 41 slides

CARBOHYDRATE ANALYSIS

CARBOHYDRATE ANALYSIS. SFA3023 FOOD ANALYSIS. INTRODUCTION. Classification of carbohydrates (CHO) Monosaccarides Disaccharides Oligosaccharides Polysaccharides Digestible Non-digestible. Sample Preparation for mono-, di- and oligosaccharides

3.64k views • 40 slides

CHAGAS DISEASE Overwiev Diagnosis Proposals for WHO Ref.Preparation

620 views • 36 slides

Sterilization & Disinfection

Sterilization & Disinfection. Prof. Hanan Habib & Dr. AbdulAziz Al- khataff College Of Medicine-KSU. Objectives. 1- Define the terms sterilization, disinfectant and antiseptic. 2- Classify the different methods of sterilization (physical and chemical methods).

1.38k views • 28 slides

Control Yard Pests Responsibly

Introduction Pests Define Identify Integrated Pest Management Prevention Cultural Biological Chemical Physical Attracting Beneficials. Control Yard Pests Responsibly. Author: Rebecca McNair Edited By: Allison Steele. Cycle of Pesticide Dependency.

491 views • 28 slides

An Illuminating Presentation

Dave Quiles Imagineering Productions Presents. An Illuminating Presentation. In Illumicolor (Where Available). Davey Q. Flash Firefly. Alrighty, what exactly is bioluminescence?. Bioluminescence is a natural phenomenon in which organisms produce and emit light

451 views • 27 slides

SEPARATION OF MATTER

SEPARATION OF MATTER. THE ATOMIC - MOLECULAR THEORY OF MATTER. Matter is separated into three states: SOLID , LIQUID , & GAS .

717 views • 26 slides

Chemistry 121

Chemistry 121. Dr. Patrick Woodward Office ? 3109 Newman and Wolfrom Lab Office Hours ? 2:30-3:30 M, T, W, R E-mail ? woodward@chemistry.ohio-state.edu Phone ? 688-8274 Web Site ? www.chemistry.ohio-state.edu/~woodward/chem_121.htm. Chemistry 121. Required Materials

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Risk management strategies for financing the agricultural value chain Johannesburg 1 st -3 rd April 09

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Hazard Analysis Critical Control Points(HACCP)

Hazard Analysis Critical Control Points(HACCP). Introduction. The main objective of the HACCP system is to provide a high degree (close to 100%) of assurance that a food ready to be consumed will be free of pathogenic organisms or their toxins.

637 views • 16 slides

Topics : States of Matter Pure Substances Mixtures Physical and Chemical Changes Law of Conservation of Mass

Matter. Topics : States of Matter Pure Substances Mixtures Physical and Chemical Changes Law of Conservation of Mass. Everything that has mass and volume is called matter. What is matter?. States of Matter. Uses of Plasma. Printing on plastic food containers

748 views • 15 slides

Elephant Toothpaste Physical or Chemical?

Elephant Toothpaste Physical or Chemical? . The yeast acts as a catalyst to make the hydrogen peroxide break down really quickly. Hydrogen peroxide breaks down into oxygen and water . As the oxygen is released into the liquid, the detergent causes it to form bubbles of foam.

3.66k views • 12 slides

1. Plastic, wood, and iron are all made up of

1. Plastic, wood, and iron are all made up of. Cells Atoms Carbon plants. 2. All of the substances on the periodic table are classified as elements because they. Are pure substances. Are composed of 2 or more different types of atoms. Cannot be broken down into other substances.

1.89k views • 10 slides

Corrosion

Corrosion. When a metal corrodes it loses electrons and forms positive metal ions. When iron metal corrodes it forms an Iron oxide layer, which is better known as rust. Only Iron rusts all other metals corrode. Two factors are required for Corrosion .

1.35k views • 8 slides

Controlling Microbial Growth in the Environment

Controlling Microbial Growth in the Environment. Controlling Microbial Growth. Terminology of Microbial Control Sterilization Aseptic Disinfection Degerming Sanitation Pasteurization Stasis/static Cide/cidal. Controlling Microbial Growth. Physical Methods of Microbial Control Heat

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Answer on page 33 or 34

131 views • 7 slides