Amaranth Powder Lab Report

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4.1 Amaranth powder.
Aim
To prepare 25g of amaranth powder.
Theory
Amaranth – Dark red/purple powder, slightly odourless used as dye in medicines and colouring agent for foodstuff.1
Zinc oxide – odorless white to yellowish white powder, bitter tasting, insoluble in cold water, hot water soluble in dilute acetic acid solution. Keep in closed/locked container, keep away from acids. Hazardous in case of inhalation. 2
Starch – White powdered solid, slight odor, combustible at high temperatures. Keep container tightly closed, keep in a cool well ventilated area below 24degrees celcius.3
Talc – White/ grayish white powder, insoluble in cold water, hot water. Keep in tightly closed container. Keep in cool well ventilated area.4
Calculations
(0.16%/100)*
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TEL 01137830-A
L.A GRAAF, B Pharm. After hours 0374904

4.3 Paediatric powder.
Aim
To prepare a paediatric paracetamol each pack containing 0.25g powder.

Theory
Paracetamol- A white powder, odourless, should be stored in a well ventilated place.10
Codeine phosphate – A white powdered solid, odourless, partially soluble in menthanol, insoluble in diethyl ether, soluble in cold water. Should be stored in an airtight container.11
Lactose ad – A white slightly sweet odourless powder used mostly to bulk powder up, should be stored in an airtight container.12

Formula Original Working
Rx Paracetamol 50mg 1.0g
Codeine phosphate 5mg 0.1g
Lactose ad 250mg 5.0g

Method
1. Weighed codein phosphate and poured 0.1g in a mortar.
2. Weighed 1g paracetamol and added to the mortar, grinded with pestle until fine.
3. 5g-(1g+0.1g) = 3.9g of lactose was added and mixed in the mortar.
4. 3 doses of 0.25g packs were made and folded accordingly.
Results
A white powder, fine, odourless, free flowing, bitter tasting.
…show more content…
TEL 01137830-A
L.A GRAAF, B Pharm. After hours 0374904

4.4 Chalk powder
Aim
To prepare 50g of chalk powder.
Theory
Activated charcoal- A black solid/solid powder, odourless, black insoluble in cold water, hot water. Incompatible with air, should be stored in a closed container.13
Calcium carbonate – An odourless tasteless powder or crystal used as a calcium supplement, insoluble in water.14
Light kaolin - A white powder, insoluble in cold water, hot water, methanol, di-ethyl ether, n-octanol. Store below 23 degrees Celsius, keep container closed tightly.9
Heavy magnesium carbonate – A white odourless powder, should be stored in an airtight container.15
Sodium bicarbonate A white crystalline powder or lumps, slightly alkaline mostly used as a pH buffering agent, should be stored in a closed container.16
Formula
Rx original working Activated charcoal 5g 0.25g
Calcium carbonate 370g 18.5g
Light kaolin 125g 6.25g
Heavy magnesium carbonate 125g 6.25g
Sodium bicarbonate 375g

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