A student used flame tests to identify the metal ions in a sample of estuary water. There is a more accurate and sensitive instrumental method that can be used to identify and measure the concentration of these metal ions. Give the name of this instrumental method.
Practise Edexcel GCSE Chemistry Qualitative analysis: tests for ions with exam-style questions for Foundation and Higher tier. 127 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
