... 6 Nickel electroplating intermediateadditive for nickel platingBrightener and leveling agent in LCD of nickel platingPOPDHChemical namePropargyl-oxo-propane2,3- ... to yellow liquidAssay(%)≥75.0PH1-4Density1.06-1.10Solubility(20°C)Soluble in water Concentration in the bath5-40mg/LApplicationBrightener and ... ,CB-6...Acid Copper PlatingSPS, PZ-1,PZ-2, PZ-3, PAC, BY-1, PAE-9, Polyether-8, Water- ...