General Chemistry
K**Y
Great condition
Great value for money. Spotless condition and saved me a fortune. Delivery was very quick. I would use again
T**U
coinage metals ( gold, silver and copper)
about the properties, compostion, chemical reactions, occurence and application of the metals gold, silver and copper. I have also anlayzed some data and figures concerning the metals
Trustpilot
2 months ago
2 weeks ago