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4-Amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one... Content 100 piece(s) (€2.81 / 1 piece(s))
€281.00
Perchloric Acid 0.1 mol/l (0.1N) in acetic acid... Content 2500 piece(s) (€0.08 / 1 piece(s))
€199.40
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ECR Masking Reagent Solution, 25 mL For the determination of aluminium according to the Eriochrom Cyanin R method.
€23.00
Sodium thiosulfate, pentahydrate, 454 g ACS reagent quality, CAS No. 10102-17-7, Na2S2O3.5H2O, FM = 248.18. Assay: 99.5 - 101.0 %. Suitable for dechlorination of water samples and preparation of titrants.
€50.30
Potassium persulfate, 454 g ACS-Qualität, CAS-Nr. 7727-21-1, K2S2O8, FM = 270,33. Assay: ≥ 99,0%
€84.10
Sodium thiosulfate, 2.12 N, 100 mL For determining the concentration of hypochlorite (bleach) in the high measuring range by drop count titration
€50.30
Calibration kit, Stablcal turbidity standards,... Calibration kit for Stablcal Standards, for 2100AN and 2100AN IS laboratory turbidimeters. USEPA approved for calibration purposes. Stablcal Turbidity Standards with stabilised formazine are true formazine dilutions designed for use in...
€836.00
Mercuric nitrate standard solution, 0.0141 N, 1 L, For chloride determination by mercury nitrate burette titration using a diphenylcarbazone indicator.
€42.90
Standard solution potassium hydroxide, 12.0 N,... For selenium detection by diaminobenzidine method
€41.70
Potassium hydroxide standard solution, 12.0 N,... For selenium determination by the Diaminobenzidine method. Hach method 8194. Part of reagent set 2244200.
€20.70
Hydrochloric acid standard solution, 6.0 N... Hydrochloric acid standard solution, 6.0 N (1:1), versatile use
€36.30
Standard solution, sodium thiosulfate,... Stabilized sodium thiosulfate titrant for chlorine determination by iodometric titration. 500 mL bottle
€29.80
Iodine Standard Solution, 0.1 N (0.05 M), 1 L, Reagent for chlorine determination by iodometric titration. APHA formulation. 1 liter bottle.
€32.10
Nitrogen-Ammonia Standard Solution, 50 mg/L as... For checking the accuracy of TKN regulations Simple accuracy checks waste minimisation Reliable results
€51.60
Nitrate Standard Solution, 1 mg/L, 500 mL, Standard solutions for ion-selective electrodes (ISE), for laboratory analyses ISE standard solution. Nitrate, 1,00 mg/L ± 0,01 mg/L NO3-N (NIST). 500 mL bottle Traceable to NIST standard reference materials Designed for use with Hach...
€36.30
Sodium Standard Solution, 1000 mg/L, 500 mL, Standard solutions for ion-selective electrodes (ISE), for laboratory analyses ISE standard solution. Sodium, 1,000 mg/L Na+ (NIST). 500 mL bottle Traceable to NIST standard reference materials Designed for use with Hach portfolio and...
€57.60
DR/Check absorbance standard kit, Standard set (4 gel test standards) for checking photometric accuracy.
€273.00
Mixed Parameter Quality Control Standard (500 mL), Qualitätskontroll-Standard (Abwasser-Zulauf) für die Parameter Ammonium, Nitrat, Phosphat, CSB, Sulfat und TOC. Die Standard-Lösung enthält folgende Konzentrationen: Ammonium: 15 mg/L NH3-N Nitrat: 10 mg/L NO3-N CSB: 500 mg/L O2: 500...
€119.00
Mixed Parameter Quality Control Standard (500mL), Multiparameter Standard (waste water solution) for analytical quality assurance. For the parameters ammonium, nitrate, phosphate, COD, sulfate and TOC. The standard solution contains the following concentrations: Ammonium 2.0 mg/L NH3-N...
€119.00
Carbon Dioxide Standard Solution, 100 mg/L as... To verify the accuracy of carbon dioxide determinations. (Potassium hydrogen phthalate solution.)
€68.10
Sodium Standard Solution, 100 mg/L, 1 L, Standard solutions for ion-selective electrodes (ISE), for laboratory analyses ISE standard solution. Sodium, 100 mg/L Na+ (NIST). 1 L bottle Traceable to NIST standard reference materials Designed for use with Hach portfolio and other...
€61.70
Phosphate standard solution, 1 mg/L... For the validation and verification of phosphate determinations
€34.10
Quality control standard hardness, high range,... Ready to use - no dilution required. The mixed standard contains: Total hardness: 1.000 mg/L CaCO3, Calcium hardness: 500 mg/L CaCO3. 500 mL bottle
€76.00