| 
                               
                                  
                                  UV-Visible spectrophotometer (control of absorbance, control of wavelength and 
                                  stray light), flame photometer, ELISA, GC (oven, gas flow, detector response), 
                                  AAS (with copper and copper lamp, metal wise linearity) 
                              
                                    
                           | 
                          
                               
                                  pH 
                                  meter (7.0, 4.0 & 9.0), conductivity meter, TDS meter, karl fischer 
                                  titrator(volume of burette, factor for KF reagent), viscometers(brookefiled, 
                                  stormer, fordcup, U-tube), bomb calorimeter (temperature and flow), FTIR, 
                                  Turbidity meter, refractometer, polarimeter, potentiometer, colorimeter 
                           |