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Positive stain, 100mg or 1g. 

Negative stain. 25g or 100g.

Metal stain for nucleic acids. 10g. 

Lanthanum Nitrate is used to prepare colloidal lanthanum hydroxide, containing fixatives for the demonstration of intercellular spaces. 25g.

Metal stain for TEM used for in-block and thin section staining. 250g.

For the preparation of a simplified lead stain. The most widely used metal stain for ultrathin sections. 50g. 

Metal stain for ultrathin sections. 25g. 

Positive and negative stain and can be used for developing thin layer chromatography plates, staining phenolics, hydrocarbon waxes, alkaloids and steroids. 25g. 

Positive and negative stain that also can be used as a colouring agent. 25g.

Potassium Pyroantimonate, 100g. 

Positive stain, 100mg or 1g. 

Negative stain that has a particularly fine grain, therefore provides good contrast for small particles and individual molecules. 25g. 

Negative stain. 25g or 100g.