Orchid Maintenance Microelements (100X) is supplied by HiMedia. It is available in the form of a light yellow to yellow, homogeneous, 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:

Manganese sulphate.H2O (8.45)

Boric acid (3.10)

Potassium iodide (0.42)

Molybdic acid (sodium salt).2H2O (0.11)

Zinc sulphate.7H2O (5.30)

Copper sulphate.5H2O (0.0125)

Cobalt chloride.6H2O (0.0125)

Ferrous sulphate.7H2O (27.80)

EDTA disodium salt.2H2O (37.30)

Orchid Maintenance 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 6.30 grams of dehydrated microelements that is sufficient for making 100 litres of complete medium.