Shop › Waltron Phosphate Calibration Standard, 2ppm, 2L P/N: W1234-106 Image 1 of 1 Waltron Phosphate Calibration Standard, 2ppm, 2L P/N: W1234-106 $44.00 Add To Cart Added! Product Number: W1234-106Calibration solution for Waltron 3042 and 3142 Phosphate Analyzers, low range. Product Number: W1234-106Calibration solution for Waltron 3042 and 3142 Phosphate Analyzers, low range. You Might Also Like Hach Molybdovanadate Reagent, 100 mL MDB P/N: 2076032 $36.00 Hach Sequencer Line Installation Kit for 5500sc Silica/Phosphate Analyzers P/N: 6783500 $703.00 Mettler Analyzer 2850Si/PO4 P/N: 30571940, 30571941, 30571942 from $24,968.75 Thermo Scientific Orion 2295 Phosphate Analyzer P/N: 229500 $15,832.00 Hach 5500sc Phosphate Low Range Reagent Set P/N: 2035400 $1,058.00