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NH4OH should be used as 1 drop will immediately precipitate morphine base without having to monitor ph, otherwise use sodium carbonate or dilute sodium hydroxide solutions and monitor with litmus paper the ph, it will start turning milky white when it begins to precipitate and it crashes out and...

Also for filtering it greatly helps to have a good vacuum, not a rotary vane pump (unless you have a cold trap), but a membrane pump, as it will be sucking a lot of water vapor.

This is from my personal experience. It depends greatly on the manufacturer of the pill , you need to look up the ndc # and find out exactly what the ingredients are. Water is the best solvent for morphine, followed by alcohol. You have to check with each ingredient in the pill if it will be...