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 Waltron Reagent Set for Swan AMI Phosphate HL - One Month Supply (A-85.420.760) $325.00 Hach Sequencer Line Installation Kit for 5500sc Silica/Phosphate Analyzers P/N: 6783500 $703.00 Waltron Molybdo-Vanadate Reagent, 2L P/N: W1234-709 $235.00 Hach Molybdovanadate Reagent, 100 mL MDB P/N: 2076032 $36.00 Swan Analyzer AMI Phosphate HL P/N: A-25.421.300.0 $20,950.00