What is the preparation method for ung glyceroli PBV (glycerol ointment)?

What is the best raw material and concentration to use for the stabilization of 2 liters of 15% hydrogen peroxide for a dental practice, and what is the shelf life of this solution?

What is the method for preparing a 40% urea ointment consisting of 40% urea in eucerin cum aqua?

What are the experiences and safety considerations regarding a doctor-prescribed solution for sweaty feet containing 30g of 10% glutaraldehyde, 4.5g of sodium bicarbonate, and 270ml of water (totaling 300ml), specifically addressing concerns about lung irritation and the fact that glutaraldehyde is not available in pharmaceutical grade?

When a doctor prescribes 100 mg of zinc sulfate per capsule for 60 capsules, which form of zinc sulfate should be used, should the dose be recalculated, and specifically, if using ZnSO4.7H2O, should 178 mg be weighed instead of 100 mg per capsule or should 100 mg always be used regardless of the number of water molecules, considering the RIZIV makes no distinction between the three forms and assigns them the same reference number?

Is it possible to replicate benzoyl peroxide in a wash (such as Benzac wash) by suspending it with carbomer 980 as in the original formula, potentially omitting the foam and binder, and is the use of NaOH necessary for this preparation?

Should 0.01% atropine eye drops, prepared from sterile physiological water and 1 mg/ml atropine sulfate ampoules, be stored in the refrigerator for chemical stability or solely to inhibit microbial growth, and are there scientifically substantiated guidelines regarding storage temperature, given that an ophthalmologist noted decreased treatment compliance among patients storing the drops in the fridge?