Comprehensive Guide to Qualitative Analysis Techniques in Chemistry

Jan 07, 2026

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This guide explores the scale of qualitative analysis in chemistry, detailing macro, semi-micro, and micro analysis techniques. It covers sample preparation for each scale, including procedures for conducting flame tests with lithium, sodium, and copper ions. Additionally, it provides step-by-step instructions for spot test analysis of calcium ions using ammonium carbonate and oxalate. This resource is essential for chemists seeking to deepen their understanding of qualitative methods and enhance their laboratory skills.

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Comprehensive Guide to Qualitative Analysis Techniques in Chemistry

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ANALYSIS QUALITATIVE CATION MEETING 4
Scale of Qualitative Analysis a. Macro analysis: 0,5-1 gram sample per 20 mLsolution b. Semimicro analysis : 0,05 gram sampleper1 mL solution c. Micro analysis: 5 mg sampel per 0,1 mLsolution
1. Flame Test Li+ Na+ Cu2+
How to do? - Immerse the cleaned platinuum/ nichrom wire into HCL concentrate. • - Put into the bunsenflame (in the • oxidation flame)- Do the 2 step 2x • - Immerse the cleaned platinuum/ • nichrom wire into HCL concentrate. • - Touched into the sample- Put into the bunsen flame • - Observe the flame color