Lab 4 questions

Lab 4 questions - Graham Barnett 1) Talc or any other...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Graham Barnett 1) Talc or any other adsorbant should be added to a eutectic mixture to prepare it as a powder 2) The chemical composition of calamine is zinc oxide and 0.5-1.0% ferric oxide. Calamine is used for minor skin irritations, primarily to reduce itching, pain and discomfort. 3) Zinc oxide acts as an antiseptic agent 4) Calcium hydroxide topical solution is used as a vehicle in calamine lotion and as a topical astringent. 5) Bentonite magma, xanthan gum and methylcellulose are all viscosity enhancers to help thicken the product. 6) Bentonite magma is prepared by the following: Bentonite: 50g Purified water: a sufficient quantity to make 1000g Sprinkle the bentonite in portions upon 800g of hot purified water, allowing each portion to become thoroughly wetted without stirring. Allow it to stand with occasional stirring for 24 hours. Stir until a uniform magma is obtained. Add purified water to make 1000g and mix. 7) Calcium hydroxide topical solution is prepared by the following:
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This lab report was uploaded on 04/07/2008 for the course PHRM 247 taught by Professor Gerald during the Fall '05 term at UConn.

Page1 / 2

Lab 4 questions - Graham Barnett 1) Talc or any other...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online