Gamborg B5 / Kao & Michayluk Microelements (100X) is supplied by HiMedia. It is available in the form of a white to off-white, homogenous, free flowing powder with a pH in the range of 1.9 to 2.9. Since this product is extremely hygroscopic, it is advisable to store it at 2-8C, in air tight containers. The composition (mg/ml) is as follows:

Magnesium sulphate.H2O (10.00)

Boric acid (3.00)

Potassium iodide (0.75)

Molybdic acid (sodium salt).2H2O (0.25)

Zinc sulphate.7H2O (2.00)

Copper sulphate.5H2O (0.025)

Cobalt chloride.6H2O (0.025)

Ferrous sulphate.7H2O (27.80)

EDTA disodium salt.2H2O (37.30)

Gamborg B5 / Kao & Michayluk microelements (100X) powder has been specially formulated for plant cell, tissue and organ cultures. The powder contains inorganic microelements and iron source. The vial contains 6.29 grams of dehydrated microelements that is sufficient for making 100 litres of complete medium.