Methods of Identifying Ions (AQA GCSE Chemistry): Flashcards

📚Flashcards
Revision NotesModel AnswersQuizzesFlashcardsExam Questions
Flame emission spectroscopy
Sign up to keep revising.Create a free account to study more flashcards and track your progress.

Practise the cards

12 cards from this deck

Show

Purpose of flame emission spectroscopy

Identify metal ions in a sample

Step 1 of flame emission spectroscopy

Sample heated in a flame

Step 2 of flame emission spectroscopy

Light passes through spectroscope

Step 3 of flame emission spectroscopy

Spectroscope creates line spectrum

Property of each metal ion's line spectrum

Unique pattern, like a fingerprint

How unknown metal samples are identified

Compare spectrum to known patterns

Definition of instrumental method

Machine measures automatically, not by hand

Accuracy advantage vs simple flame tests

Gives more precise results

Sensitivity advantage of technique

Works even with tiny samples

Speed advantage of flame emission spectroscopy

Fast results

Na+\text{Na}^+ ion spectrum feature

Yellow line at 589589 nm

Detection limit of flame emission spectroscopy

Parts per million (ppm)

Explore AQA GCSE Chemistry Revision Notes by Topics

Purity, Formulations & Chromatography

Identification of Common Gases

Methods of Identifying Ions

Explore AQA GCSE Chemistry Model Answers by Topics

Purity, Formulations & Chromatography

Identification of Common Gases

Methods of Identifying Ions

Explore AQA GCSE Chemistry Quizzes by Topics

Purity, Formulations & Chromatography

Identification of Common Gases

Methods of Identifying Ions

Explore AQA GCSE Chemistry Exam Questions by Topics

Purity, Formulations & Chromatography

Identification of Common Gases

Methods of Identifying Ions

Join 100,000+ GCSE students studying Flashcards with us.

Select your subjects, and get access to A+ resources today.