Five chemistry greetings cards - chemical crystals under the microscope (C-Chem)

These chemical crystal microscope photograph greetings cards are ideal cards for men, chemists, scientists and teachers. 

Cards come with a description of the image on the back.

Chemical crystals were viewed by polarised light microscopy and the images are of (clockwise from top left):

Citric acid;

Glycine / SDS / methanol;

Citric acid;

Imidazole;

Glycine / SDS / methanol.

Cards are 150mm (6 inch) square, blank inside and each card is individually packed with a white envelope in a cellophane bag to ensure they are in great condition when you come to use them.

Free UK delivery (Delivery charges for overseas orders are calculated in the shopping basket). Please note that in order to offer you the lowest possible price these cards may be sent separately from any other items you order. Orders are normally sent out within 2 working days.