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![Standard solution phosphate, 30 mg/L as PO4 (NIST), 946 mL, Standard solution phosphate, 30 mg/L as PO4 (NIST), 946 mL,](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
For checking the accuracy of phosphate (phosphorus) determinations
€51.10
![Standard Solution, chlorine, 50-75 mg/L as Cl2, pk/20 - 2 mL PourRite ampules (NIST), Standard Solution, chlorine, 50-75 mg/L as Cl2, pk/20 - 2 mL PourRite ampules (NIST),](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
For checking the accuracy of chlorine determinations. Pack of 20 x 2 mL ampoules. Batch-specific concentration see label. Simple accuracy tests waste minimisation Reliable results
€65.80
![Chlorine standard solution, 50-75 mg/L Cl<sub>2</sub> (NIST), Chlorine standard solution, 50-75 mg/L Cl<sub>2</sub> (NIST),](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
Single parameter standard for analytical quality assurance.
€100.00
![Nitrogen-Nitrate Standard Solution, 500 mg/L as NO3-N (NIST), pk/16 - 10 mL Voluette Ampules, Nitrogen-Nitrate Standard Solution, 500 mg/L as NO3-N (NIST), pk/16 - 10 mL Voluette Ampules,](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
For checking the accuracy of nitrogen determinations Simple accuracy checks waste minimisation Reliable results
€56.50
![Standard solution, chloride, 12,500 mg/L as Cl- (NIST), pk/16 - 10 mL voluette ampules, Standard solution, chloride, 12,500 mg/L as Cl- (NIST), pk/16 - 10 mL voluette ampules,](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
For checking the accuracy of chloride determinations Simple accuracy checks waste minimisation Reliable results
€57.70
![Standard solution, phosphate, 500 mg/L as PO4 (NIST), pk/16 - 10-mL voluette ampules, Standard solution, phosphate, 500 mg/L as PO4 (NIST), pk/16 - 10-mL voluette ampules,](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
For checking the accuracy of phosphate (phosphorus) determinations Simple accuracy checks waste minimisation Reliable results
€57.70
![Standard solution, molybdenum, 10 mg/L as Mo (NIST), 100 mL, Standard solution, molybdenum, 10 mg/L as Mo (NIST), 100 mL,](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
For checking the accuracy of molybdenum determinations
€35.70
![Molybdenum Standard Solution, 1000 mg/L as Mo (NIST), 100 mL, Molybdenum Standard Solution, 1000 mg/L as Mo (NIST), 100 mL,](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
For checking the accuracy of molybdenum determinations.
€31.50
![Standard Solution, nickel, 1000 mg/L as Ni (NIST), 100 mL, Standard Solution, nickel, 1000 mg/L as Ni (NIST), 100 mL,](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
For checking the accuracy of nickel determinations. (HNO3 matrix)
€30.00
![Standard solution, aluminum, 100 mg/L as Al (NIST), 100 mL, Standard solution, aluminum, 100 mg/L as Al (NIST), 100 mL,](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
Standard solution, aluminum, 100 mg/L as Al (NIST), 100 mL
€34.70
![Iron Standard Solution (NIST), 10 mg/L, 500 mL, Iron Standard Solution (NIST), 10 mg/L, 500 mL,](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
Iron Standard Solution (NIST), 10 mg/L, 500 mL
€46.30
For the quality control of iron determinations
€38.00
![Copper standard solution, 100 mg/L as Cu (NIST), 100 mL, Copper standard solution, 100 mg/L as Cu (NIST), 100 mL,](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
For checking the accuracy of copper determinations.
€30.00
![Lead Standard Solution, 1000 mg/L as Pb (NIST), Lead Standard Solution, 1000 mg/L as Pb (NIST),](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
For checking the accuracy of lead determinations. 1,000 mg/L Pb (HNO3 matrix)
€37.50
![Standard solution, manganese, 1000 mg/L as Mn (NIST), 100 mL, Standard solution, manganese, 1000 mg/L as Mn (NIST), 100 mL,](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
To check the accuracy of manganese determinations. (HNO3 matrix).
€27.60
![Lead standard solution, 100 mg/L as Pb (NIST), 100mL, Lead standard solution, 100 mg/L as Pb (NIST), 100mL,](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
To verify the accuracy of lead determinations
€41.10
![COD standard solution, 300 mg/L O<sub>2</sub> (NIST), 500 mL, COD standard solution, 300 mg/L O<sub>2</sub> (NIST), 500 mL,](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
Single parameter standard for analytical quality assurance.
€74.80
Single parameter standard for analytical quality assurance.
€39.80
![Standard solution, manganese, 10 mg/L as Mn (NIST), pk/20, 2 mL PourRite Ampules, Standard solution, manganese, 10 mg/L as Mn (NIST), pk/20, 2 mL PourRite Ampules,](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
To check the accuracy of manganese determinations Simple accuracy checks waste minimisation Reliable results
€51.90
![Sodium chloride standard solution, 1990 µS/cm (NIST), 1 L, Sodium chloride standard solution, 1990 µS/cm (NIST), 1 L,](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
1000 mg/L NaCl. For conductivity electrodes. Also suitable for setting conductivity apparatus, µS/cm (µmhos/cm).
€58.80
491 mg/L NaCl, for conductivity electrodes, also suitable for setting conductivity apparatus, µS/cm (µmhos/cm)
€26.40
![Silica standard solution, 50 mg/L as SiO? (NIST), 200 mL, Silica standard solution, 50 mg/L as SiO? (NIST), 200 mL,](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
For checking the accuracy of silica determinations
€31.50
![Boron standard solution, 1000 mg/L as B (NIST), 100 mL, Boron standard solution, 1000 mg/L as B (NIST), 100 mL,](/themes/Frontend/Fleischhacker/frontend/_public/src/img/no-picture.jpg)
For checking the accuracy of boron determinations
€60.10