Malic acid is a 2-hydroxydicarboxylic acid that is succinic acid in which one of the hydrogens attached to a carbon is replaced by a hydroxy group. It has a role as a food acidity regulator and a fundamental metabolite. It is a 2-hydroxydicarboxylic acid and a C4-dicarboxylic acid.

The Ricca Chemicals matrix modifier with a composition of 93.29% water, 4.81% ammonium nitrate, 1.90% nitric acid, is suitable for use in laboratory use only. It can be stored at a temperature of 15 to 30 degree C.

The Ricca Chemicals matrix modifier with a composition of 96.09% water, 1.97% ammonium nitrate, 1.95% nitric acid, is suitable for use in laboratory use only. It can be stored at a temperature of 15 to 30 degree C.

The Ricca Chemical 3-methyl-2-benzothiazolinone hydrazone hydrochloride TS is composed of 87.51% methyl alcohol, 12.36% water and 0.12% 3-methyl-2-benzothiazolinone hydrazone hydrochloride hydrate. It is suitable for research and laboratory use. It can be stored at a temperature of 15 to 30 degree C.

Mercury thiocyanate appears as an odorless white crystalline powder. Insoluble in water and denser than water. Hence sinks in water.