| abstract |
Disclosed is a reagent which comprises a combination of a polyanionic compound and a bivalent cationic compound, and which is characterized in that at least one substance selected from succinic acid, gluconic acid, alanine, glycine, valine, histidine, maltitol or mannitol or at least one compound of the substance is contained in the reagent. The reagent is hardly dried and has improved deliquescence. |