化学镀镍溶液的详细配方及工艺流程

酸性化学镀镍的工艺规范
配方        1             2             3             4             5             6             7
工艺规范 含量/g•L-1
硫酸（NiSO4•7H2O）            25～30    25           26                           30            25           30～35
氯化镍（NiCl2•6H2O）                                                        30                                         
次磷酸钠（NaH2PO2•H2O） 20～25    30           24           10           10            25           18～22
醋酸钠（NaC2H3O2）           15           20                                          10            10           12～17
柠檬酸钠（Na3C6H5O7•2H2O）          10                                          10                                          3～5
葡萄糖酸钠                            30                                                                        
乳酸（C3H6O3）80%/mL•L-1                                             27                                                        
丙酸（CH3CH2COOH）                                       2.2                                                       
硫酸肼                                                                                 10          
铅离子（ppm）                      2             2                                                          
硫脲（ppm）                         2                                                                          
pH值       4.5～5     5             4.5          4～6        4～6        4～5        4.6～5
温度/℃    85～90    90           90～95    90           90           30～40    85～90
沉积速度/μm•h-1    12～15    20           20           5～10      25                           10～15
适用基体材料          钢铁        钢铁        钢铁        钢铁        陶瓷        玻璃         钢铁
表3-1-5 碱性化学镀镍工艺规范
配方        1             2             3             4             5
工艺规范 含量/g•L-1
硫酸镍（NiSO4•7H2O）                       25           30           40           20
氯化镍（NiCl2•6H2O）          30                                                        
次磷酸钠（NaH2PO2•H2O） 10           25           20           35           30
氯化铵（NH4Cl）   50                                                         30
焦磷酸钾（K4P2O7）                           50                                         
柠檬酸铵（(NH4)3C6H5O7）                                              50                          
氢氧化铵（NH4OH）/mL•L-1                10～20                   25           30
光亮剂ND-1/ mL•L-1                                                           20          
络合剂ND-2/ mL•L-1                                                           40          
柠檬酸钠（Na3C6H5O7）                                                                  10
pH值       8～9.5     10～11    8～10      9～10或8～8.5      9～10
温度/℃    30～40    65～75    90           40           35～45
时间/min  5～10      5～10      60                          
厚度/μm   0.2～0.5  1～2.5     8                            
适用基体材料          塑料        塑料        金属        金属        塑料
注：配方4为BLE-1光亮低温化学镀镍新工艺，溶液较酸性液稳定、节能、外观光亮平滑。pH=9～10时获含P2%～4%低磷合金，pH=8～8.5时为含P7%～8%的普通化学镍层，