We previously tested U-47700 as it was becoming popular and since we’ve added new reagents to our offerings while its popularity has continued to rise we decided it was worth testing again.
You can see the original test results here but the summary is that there was no colour change.
The liebermann and mandelin results were only fractionally more exciting.
The liebermann reagent gave a very slow, faint yellow reaction:
The mandelin reagent gave an orange reaction:
