LOEFFER ALKALINE METHYLINE BLUE



This is a basic dyes used for examination of micro organism structure in the microbiology laboratory, these method is usually appear to smear from cultures. The solution is slower than that of methylene blue in such way lead to slow performance like that of polychromatic staining.
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SOLUTION
Methylene blue in 1.5% in 95% alcohol 300ml
Potassium hydroxide             10ml
Distilled water                       990ml

PREPARATION
Measure potassium hydroxide solution into distilled water and mix with methylene blue solution thoroughly filter date and record.
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PROCEDURE
Apply the solution for 30 second, wash with water blot carefully and dry with gentle heat.
Examine with microscope.

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