Global Calcium Private Limited manufactures Magnesium Citrate Malate. Global Calcium Private Limited is an ISO 14001:2004 and ISO 9001:2008 accredited company. The Magnesium Citrate Malate has technical features like: Description: A White powder. PH [ 5% solution]: 6.5 - 8.5 Chloride: Max. 0.1% Sulphate: Max. 0.1% Arsenic: Max. 3 ppm Heavy Metals: Max 20 ppm Assay on Mg [ On dried basis]: 14.0% - 15.0% Lead: Max. 2 ppm