Chemical Analysis and Tests notes
31 notes by 30 users
This Chemical Analysis and Tests page on GoConqr gathers over 20 community-made notes, from tests for gases and ions to chromatography and volumetric analysis. School students can use them to practice identifying substances, while teachers can find material for those topics. Most notes are secondary level, with some university-level material. Choose a topic and start reading.
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- Purity and formulations25
- Chromatography34
- Tests for ions178
- Flame tests63
- Tests for cations53
- Tests for anions54
- Tests for gases59
- Tests for ions and gases68
- Tests for organic compounds6
- Quantitative analysis and titrations19
- Instrumental analysis and spectroscopy44
- Mass spectrometry25
- Infrared spectroscopy9
- NMR spectroscopy10
Notes
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Unit 1 PPA - Colorimetric Determination of Manganese in Steel Aim - To use colorimetry to find the percentage of manganese, by mass, in a steel paper clip. Method - Colorimetry finds conc.s of coloured substances in solution.Colorimeter consists of light source, coloured f...
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Chemistry: Modern Analytical Techniques: Infrared Spectroscopy Infrared Spectroscopy Infrared RadiationThe electromagnetic spectrum of radiation includes infrared radiation. The "infra" part of the word comes from the Latin for "below", so this radiation has a frequency below, or...
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Untitled separating a mixture of compounds can be carried out by gas chromatography. identifying compounds once they have been separated then uses techniques like mass spectrometry. The pattern of peaks is like a fingerp...
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Chemical Analysis Purity and Formulations Usually pure means that nothing has been added to a substance In chemistry, a pure substance is something that only contains one compound or element throughout A chemically p...
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F324: Module 3 Specification 4.3.1 Chromatography Types of chromatography Paper chromatography can be used to illustrate the separation process. Candidates should be able to: (a) describe chromatography as an analytical technique that separates c...
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CHEMICAL ANLYSIS PURITY A pure substance is something that contains only one compound or element throughout it is not mixed with anything else a chemically pure substance will melt or boil at a specific temperature you can test the pu...
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Anylising Substances ubstances can be analysed using a variety of methods including paper chromatography, gas chromatography and mass spectrometry. Methods of AnalysisChemists can use many different methods to analyse substances.Some meth...
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Tests For Stuff One fine day a scientistDecided to exploreHow to tell each thing apartAnd so flame tests were bornCalcium (that's Ca 2 plus)Turns brick red in a fire.Sodium was tested next;A yellow flame rose higher.Lithium was pink ...
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Test For Ions You Can Use Chemical Tests to Identify Positive IonsPositive ions (or cations) include things like the ions of the Group 2 metals and ammonium ions. USE THE FLAME TEST TO IDENTIFY GROUP 2 IONSCompounds of some Group 2...
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Topic 8,9,10 Topic 8 - Purity and formulations In chemistry, a pure substance is something that only contains on element or compound. A chemically pure substance will melt or boil at a specific temperature. You can test the ...
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Product Tests Testing for Positive IonsFlame tests can be used to identify metal ions, compounds of some metals burn with a characteristic colour, you simply put your substance in a flame and observe the colour of the flame:Lithium...
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Chapter 2 - analysis by mass CHAPTER 2 - ANALYSIS BY MASS analysis based on the determination of mass is called gravimetric analysis substances or mixtures containing a volatile component, such as water, are heated to drive of the volatile materi...
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Chapter 3 - Volumetric analysis CHAPTER 3 - VOLUMETRIC ANALYSIS volumetric analysis is the amount in mol of the substance being analsyed is determined by: measuring the volume of test solution that reacts completely with a volume of solution with kn...
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Chapter 3 - Volumetric analysis CHAPTER 3 - VOLUMETRIC ANALYSIS volumetric analysis is the amount in mol of the substance being analsyed is determined by: measuring the volume of test solution that reacts completely with a volume of solution with kn...
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18- Benedicts test Test for sugars using Benedict's reagentTwo different test depending on whether you have a reducing sugar or non-reducing sugar Benedict's test for reducing sugarsReducing sugar has an aldehyde group (CHO)Reducing sug...
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Chemical Analysis - created from Mind Map Tests Testing for anions (-) Testing for Cations
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purity and formulations Purity and Formulations Chemical analysis Instruments and methods used to separate, identify, and quantify different substances. separate = chromatography, filtration, crystallisation, distillation i...
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Chemistry 3B: Testing For Ions Chemistry 3B: Testing For Ions. TESTING FOR POSITIVE IONS:Flame Test: Lithium - crimson. Sodium - yellow. Barium - green. Potassium - lilac. Calcium - red. Reaction With Sodium Hydroxide: Aluminium, Calcium and Magnes...
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Notes on Evaluative task
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Chemistry (Chlorides, Iodides and Bromides) Make solution of a bromide, iodide or chloride 2. add enough dilute Nitric acid - to make it acidic 3. Then add some silver nitrate solution
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Silver nitrate test silver fluoride does not produce a precipitate as it is soluble in water Dilute nitric acid added, rids of any soluble carbonates and hydroxides (impurities), as they would interfere by producing insoluble silve...
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Testing for Anions To test for carbonates: Add some barium chloride solution If there are ions present this will produce a white precipitate of barium carbonate Add some dilute hydrochloric acid If there are carbonate ions present ...
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Tests for gases and water Hydrogen - present a lit splint to the gas and if positive it will create a squeaky pop Carbon dioxide - bubble the gas through limewater and if positive a milky white precipitate will be formed oxygen - a glowing spl...
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Untitled Metal Sodium Hydroxide Ammonia  ...
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Mass Spectrometry - created from Mind Map Advantages Applicable to all ELEMENT Applicable to all SAMPLE TYPES Ultra high detection sensitivity Rapid identification Used in conjunction with chromatographic tech. Quanitify and Qualitiate samples 5ppm at 400MW I...
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Gas chromatography. chromatography Can be used to sperate different substances.these substances then can be identified. Machines-for the analysis of unknown substances.very sensitive,very fast,very accurate.
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Untitled Negative Ions Test Observation CO32- Carbonate - Add an acid (HCl) - Gas given of bubble through limewater Limewater turns cloudy showing CO2 present. Cl- Chloride Add acidified silver nitrate solution A ‘WHITE’ preci...
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Chemical analysis - created from Mind Map Government / official agencies Food industrry Scientific research
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Testing for ions Precipitate reactions can be used to detect non-metal ions. Ion tested for = Cl-(aq)Test = Acidify with dilute nitric acid, add silver nitrate solution Colour or precipitate = WhiteIon tested for = SO42-(aq)Test = Aci...
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Untitled The fame testposotive ionssodium- yellowlithium-crimsonpotassium-lilaccalcium-redbarium-green halide ionsadd silver nitrate ions when there is nitric acidsilver chloride-whitesilver bromide-creamsilver iodide-yellow t...
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Titrations
More Chemical Analysis and Tests resources
About chemical analysis and tests notes
GoConqr OriginalUsing chemical analysis and tests notes
These notes cover practical tests alongside analytical methods. Tests for gases and water describes observations for hydrogen and carbon dioxide. Other notes look at flame tests, silver nitrate tests, chromatography, mass spectrometry and analysis by volume.
Where to begin
Start with Tests for gases and water if you want short examples that connect a test to an observation. For ion tests, try Silver nitrate test to see why dilute nitric acid is added. Product Tests introduces flame tests for positive ions. For a different approach, the notes on colorimetric determination of manganese in steel describe an application of colorimetry.
Study with notes and other formats
As you read, organize each test by the substance, the method and the observation. Return to a note when you need to check a step. When you want to recall the details without the explanation in front of you, switch to flashcards or a quiz on the unit page. Pick a note that matches your current topic and make your own flashcards from it.
Frequently asked questions
Which note could I start with?
Tests for gases and water is a useful starting point if you are studying identification tests. It describes what to do and what to look for in tests for hydrogen and carbon dioxide. You can then move to Silver nitrate test if you want to study an ion test.
Do the notes cover analytical methods as well as tests?
Yes. Alongside notes on gases and ions, the page lists material on chromatography, mass spectrometry, colorimetry and volumetric analysis. Choose a method that matches what you are studying, then use the note to organize its key steps or ideas before checking your recall.
Are these notes free to use?
Yes. Every note listed here is free to open and study without an account. The resources were made by GoConqr users, so you can explore different approaches to the same topic. A free account also lets you save quiz scores and make your own study resources.