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Whether you're determining unknown substances or calibrating analytical instruments, you will need certified laboratory standard solutions. Here at Lab Pro, our standards aim to increase lab efficiency and help users achieve more accurate results. Browse through our standards selection ranging from water-soluble ammonium sulfamate to phenacetin powder. If you need laboratory standards in bulk, don't hesitate to reach us at 888-4-LABPRO (888-452-2776). We also offer next-day service in California and same-day service for will-calls.
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      Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 500 - 2230-200

      $148.62
      Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 500 - 2230-200Size:200 mL Glass amberCAS Number:7732-18-5,7647-01-0,16921-30-5,7791-13-1

      Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 500 - 2230-4

      $108.49
      Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 500 - 2230-4Size:120 mL Glass amberCAS Number:7732-18-5,7647-01-0,16921-30-5,7791-13-1

      Conductivity Standard, 150 µS/cm at 25°C (71 ppm TDS as NaCl) - 2236.25-16

      $40.97
      Conductivity Standard, 150 µS/cm at 25°C (71 ppm TDS as NaCl) - 2236.25-16Size:500 mL Poly naturalCAS Number:7732-18-5,7647-14-5

      Conductivity Standard, 30,000 µS/cm (30 mS/cm) at 25°C - 2236.88-16

      $125.25
      Conductivity Standard, 30,000 µS/cm (30 mS/cm) at 25°C - 2236.88-16Size:500 mL Poly naturalCAS Number:7732-18-5,7647-14-5

      Conductivity Standard, 40,000 µS/cm (40 mS/cm) at 25°C - 2236.75-16

      $132.52
      Conductivity Standard, 40,000 µS/cm (40 mS/cm) at 25°C - 2236.75-16Size:500 mL Poly naturalCAS Number:7732-18-5,7647-14-5

      Potassium Chloride Conductivity Standard, 111,800 µS/cm (111.8 mS/cm) at 25°C - R5889350-500A

      $133.84
      Potassium Chloride Conductivity Standard, 111,800 µS/cm (111.8 mS/cm) at 25°C - R5889350-500ASize:500 mL Poly naturalCAS Number:7732-18-5,7447-40-7

      Specific Gravity Standard, Sp. Gr. = 1.15 at 60°F/60°F - 7992.115-16

      $136.75
      Specific Gravity Standard, Sp. Gr. = 1.15 at 60°F/60°F - 7992.115-16Size:500 mL Poly naturalCAS Number:7732-18-5,1310-73-2

      Zero Oxygen Standard, for Calibration of Dissolved Oxygen Meters - 9420-4

      $48.45
      Zero Oxygen Standard, for Calibration of Dissolved Oxygen Meters - 9420-4Size:120 mL Poly naturalCAS Number:7732-18-5,7757-83-7,7791-13-1

      Uranium AA Standard, 1000 ppm U in 3% HNO? - AU1KN-100

      $47.71
      Uranium AA Standard, 1000 ppm U in 3% HNO? - AU1KN-100Size:100 mL Poly naturalCAS Number:7732-18-5,7697-37-2,1344-58-7

      VeriSpec Tellurium Standard for ICP/MS 100 ppm in 2% HNO? Guide 34 Accredited Facility - RV010559-100N

      $155.88
      VeriSpec Tellurium Standard for ICP/MS 100 ppm in 2% HNO? Guide 34 Accredited Facility - RV010559-100NSize:100 mL Poly naturalCAS Number:7732-18-5,7697-37-2,7803-68-1

      Boron Standard, 1 ppm B - 1090-16

      $163.67
      Boron Standard, 1 ppm B - 1090-16Size:500 mL Poly naturalCAS Number:7732-18-5,10043-35-3

      Arsenite Standard, 0.100 Normal (N/10) - 820-16

      $73.91
      Arsenite Standard, 0.100 Normal (N/10) - 820-16Size:500 mL Poly naturalCAS Number:7732-18-5,1327-53-3,144-55-8,1310-73-2

      Arsenite Standard, 0.100 Normal (N/10) - 820-1

      $247.59
      Arsenite Standard, 0.100 Normal (N/10) - 820-1Size:4 L Poly naturalCAS Number:7732-18-5,1327-53-3,144-55-8,1310-73-2

      Arsenite Standard, 0.100 Normal (N/10) - 820-32

      $121.64
      Arsenite Standard, 0.100 Normal (N/10) - 820-32Size:1 L Poly naturalCAS Number:7732-18-5,1327-53-3,144-55-8,1310-73-2

      Arsenic Standard Stock, EP, 1000 ppm As - R0818000-120A

      $65.72
      Arsenic Standard Stock, EP, 1000 ppm As - R0818000-120ASize:120 mL Poly naturalCAS Number:7732-18-5,1310-73-2,1327-53-3

      Arsenic Standard, 100 ppm As in 2% HNO? - R0797100-500N

      $103.41
      Arsenic Standard, 100 ppm As in 2% HNO? - R0797100-500NSize:500 mL Poly naturalCAS Number:7732-18-5,7697-37-2,7440-38-2

      Arsenic Standard, 10 ppm As in 2% HNO? - R0797010-500N

      $96.48
      Arsenic Standard, 10 ppm As in 2% HNO? - R0797010-500NSize:500 mL Poly naturalCAS Number:7732-18-5,7697-37-2,7440-38-2

      Arsenic Standard, 0.5 ppm As in 2% HNO? - R0797005-500N

      $95.62
      Arsenic Standard, 0.5 ppm As in 2% HNO? - R0797005-500NSize:500 mL Poly naturalCAS Number:7732-18-5,7697-37-2,7440-38-2

      Arsenic Standard, 1 ppm As in 2% HNO? - R0797001-500N

      $95.66
      Arsenic Standard, 1 ppm As in 2% HNO? - R0797001-500NSize:500 mL Poly naturalCAS Number:7732-18-5,7697-37-2,7440-38-2

      Arsenic Standard, 10 ppm As - 796-16

      $85.79
      Arsenic Standard, 10 ppm As - 796-16Size:500 mL Poly naturalCAS Number:7732-18-5,7647-01-0,7697-37-2,1327-53-3

      Arsenate Standard, 1000 ppm As?O? (652 ppm As) - R0792000-120A

      $93.36
      Arsenate Standard, 1000 ppm As?O? (652 ppm As) - R0792000-120ASize:120 mL Poly naturalCAS Number:7732-18-5,10048-95-0

      Anion Standard Set, 1000 ppm: F?, Cl?, Br?, NO??, NO??, PO?³?, and SO?²? - 754-7PK

      $663.91
      Anion Standard Set, 1000 ppm: F?, Cl?, Br?, NO??, NO??, PO?³?, and SO?²? - 754-7PKSize:1 E EachCAS Number:

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