Product Short Description: Lead Test Kit results a deep orange colour indicates the presence of lead. Product Description: Lead Test Kit results a deep orange colour indicates the presence of lead. We are manufacturer of Leadt Test Kit for WATER. Lead is seldom found uncombined in nature, it is mostly found in the form of Lead Oxides. Lead Oxides includes all oxides of Lead (Pb). In Lead Oxide category, all three lead Oxides are subcategorized as Lead Sub Oxide, which is a mixture of Lead Oxides & free Lead Powder and commercially called as Grey Oxide secondly reddish oxide of lead as Red Lead used as a pigment in paints, glass and ceramics thirdly a Yellow Lead Oxide, also called Lead Monoxide and commercially called Litharge.