CHELMSFORD, Mass.--(BUSINESS WIRE)--Spectro Scientific announces the formation of a joint marketing agreement with Wärtsilä Services Switzerland. Spectro Scientific is developing a specialized version of its FluidScan® oil chemistry analyzer for the control of Base Number (BN) in the cylinder lubricant for two-stroke marine engines and various other parameters in system oils. Wärtsilä participated in the development of the new FluidScan model and will promote it as an approved device for their