What is an available alternative for the emulsifier Laureth-2 (alpha-dodecyl-hydroxypropyloxyethylene) used in a soy wax cream formulation consisting of 500 parts soy oil, 10 parts Laureth-2, 393 parts water, 106 parts propylene glycol, and 1.42 parts ammonia 12.5% solution, given that Laureth-2 is no longer obtainable?

What is a good preparation method for L-carnitine in capsules that prevents deliquescence, given that it is currently prepared as a solution but some outpatients would find capsules more convenient?

What is the best way to prepare 20 suppositories, each containing 2% dissolved collargol, given that the formulation implies the collargol should be brought into solution as much as possible?

How much of the powder should be used per sachet to prepare 1 liter of isotonic solution, given a formula of 35 g sodium bicarbonate, 35 g sodium borate, and 5 g sodium salicylate to be divided into sachets for a nasal rinse?

What alternative can you recommend for the dye solutio viridis in eucalyptol syrup NF VI, given that both patent blue and tartrazine are currently unavailable?

What is the purpose of a prescription containing 1.5 g mercury oxycyanide, 3.0 g quinine sulfate, 30 drops bergamot essential oil, 90 ml jaborandi tincture, and 50 degree alcohol up to 300 ml, and how can a clear solution be achieved given that previous attempts to dissolve the mercury oxycyanide in water and quinine sulfate in 97 degree alcohol resulted in crystal precipitation or a gray residue after filtration, and considering the potential difficulty of incorporating the essential oil?

How can the formation of precipitation be prevented in a composition containing 1 g prednisolone, 4 g chloramphenicol, 60 g propylene glycol, and distilled water up to 200 g, given that precipitation still occurs even when prednisolone is replaced by prednisolone sodium phosphate?