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    Search term:"drinking water"

    16 matches found for drinking water

    US EPA Method 547 (Drinking Water Glyphosate by HPLC-FL) on Supelcosil™ SAX1

    column SUPELCOSIL SAX1, 25 cm x 4.6 mm I.D., 5 µm particles (59138) column temp. 35 °C mobile phase 5 mM monobasic potassium phosphate (pH 1.9 with phosphoric acid) flow rate 0.5 mL/min sample each analyte at 10 ug/mL in water injection 100 µL detector fluorescence, excitation 338 nm, emissions 455 ...

    Analytical Method: Iron in drinking water and boiler water

    Instruments and Reagents: Cat.No. 173016 Spectroquant® VIS Spectrophotometer Prove 100 or Cat.No. 173017 Spectroquant® UV/VIS Spectrophotometer Prove 300 or Cat.No. 173018 Spectroquant® UV/VIS Spectrophotometer Prove 600 or Cat.No. 109748 Spectroquant® Photometer NOVA 30 or Cat.No. 109751 Spectroqua...

    Analytical Method: Bromate in water and drinking water - ultra low range - Hint

    Information for the application of Bromate using our Spectroquant® Prove Spectrophotometers. Dear user, We offer for customers which are interested in measuring Bromate an application which allows analyzing Bromate ultra low in the following measuring ranges: 0.5 – 20 µg/l BrO3- by using a 100-mm re...

    GC Analysis of Trace Odors in Drinking Water on Equity®-5 after SPME using 50/30 μm DVB/Carboxen/PDMS Fiber

    sample/matrix 25 mL of water containing 25% NaCl and drinking water odors kit (47529-U) desorption process 3 min at 260 °C extraction headspace, 65 °C (30 min) SPME fiber 2 cm StableFlex coated with 50/30 µm DVB/Carboxen/PDMS (57348-U) column Equity-5, 30 m x 0.25 mm, 0.25 µm (28089-U) oven 60 °C (2...

    GC Analysis of a 7-Component Organochlorine Pesticide Mix in Drinking Water on a 5% Phenyl Column after SPE using Supelclean™ ENVI™-18

    sample preparation SPE (Solid Phase Extraction) sample/matrix drinking water spiked with pesticides SPE tube/cartridge Supelclean ENVI-18, 500 mg/6 mL (57064) condition 2 x 6 mL hexane:ethyl ether (1:1); 6 mL methanol; 6 mL DI water sample addition 250 mL water sample at 10 mL/min drying 10 min with...

    Analytical Method: Silicon (total) in drinking water

    Instruments and Reagents: Cat.No. 173016 Spectroquant® VIS Spectrophotometer Prove 100 or Cat.No. 173017 Spectroquant® UV/VIS Spectrophotometer Prove 300 or Cat.No. 173018 Spectroquant® UV/VIS Spectrophotometer Prove 600 or Cat.No. 109748 Spectroquant® Photometer NOVA 30 or Cat.No. 109751 Spectroqua...

    Analytical Method: Bromate in water and drinking water - low range - Hint

    Information for the application of Bromate using our Spectroquant® Prove Spectrophotometers. Dear user, We offer for customers which are interested in measuring Bromate an application which allows analyzing Bromate in the following measuring ranges: 2.5 – 0.100 µg/l BrO3- by using a 100-mm rectangul...

    GC Analysis of Semivolatiles in Drinking Water on a 5% Phenyl Column after SPE using ENVI™-18 DSK

    sample preparation SPE (Solid Phase Extraction) sample/matrix acidified drinking water SPE tube/cartridge ENVI-18 DSK SPE Disk, 47 mm (57171) condition 5 mL dichloromethane; 5 mL methanol; 5 mL DI water sample addition 5 mL water sample elution 2 x 5 mL acetonitrile rinsing internal chamber of sampl...

    Analytical Method: Ammonium in drinking and surface water

    Instruments and Reagents: Cat.No. 173016 Spectroquant® VIS Spectrophotometer Prove 100 or Cat.No. 173017 Spectroquant® UV/VIS Spectrophotometer Prove 300 or Cat.No. 173018 Spectroquant® UV/VIS Spectrophotometer Prove 600 or Cat.No. 109748 Spectroquant® Photometer NOVA 30 or Cat.No. 109751 Spectroqua...

    HPLC Analysis of Paraquat and Diquat on SUPELCOSIL™ LC-18 after SPE using ENVI™-8 DSK

    sample preparation ENVI-8 DSK, 47 mm (57172) sample preparation SPE (Solid Phase Extraction) sample/matrix drinking water adjusted to pH to 10. SPE tube/cartridge ENVI-8 DSK SPE Disk, 47 mm (57172) condition 10 mL acetonitrile; 2 x 10 mL reagent water; 10 mL conditioning solvent A (5 g cetyl trimeth...

    EPA Method 547: HPLC Analysis of Glyphosate and Glyphosate Degradation Product (Aminomethyl)phosphonic Acid (AMPA) on SUPELCOSIL™ SAX1

    column SUPELCOSIL SAX1, 25 cm x 4.6 mm I.D., 5 µm particles (59138) column temp. 38 °C mobile phase [A] 5 mM monobasic potassium phosphate (pH 1.9 with phosphoric acid); [B] methanol; (A:B, 96:4) flow rate 0.5 mL/min sample 100 ng/mL in water injection 100 µL detector fluorescence, excitation 338 nm...

    HPLC Analysis of Bisphenol A, Dimethylbisphenol A and Nonylphenol on Ascentis® Express RP-Amide (UV Detection)

    column Ascentis Express RP-Amide, 5 cm x 4.6 mm I.D., 2.7 µm particles (53922-U) column temp. 35 °C mobile phase [A] water; [B] acetonitrile gradient 50 to 100% B in 10 min flow rate 1.0 mL/min sample 50 mg/L of each in 50:50, water: acetonitrile injection 10 µL detector UV, 280 nm Analysis Note Thi...

    US EPA Method 524.2: GC Analysis of Volatiles on SPB-624 after Purge & Trap using "K" Trap

    sample preparation purge is 40 mL/min at 25 °C for 11 min sample/matrix each analyte at 10 ppb in 25 mL water purge trap VOCARB 3000 "K" (24940-U) dry purge 2 min desorption preheat 205 °C desorption process 40 mL/min at 210 °C for 2 min bake 260 °C for 10 min column SPB-624, 30 m x 0.25 mm I.D., 1....

    HPLC Analysis of Bisphenol A in Water on Ascentis® Express C18 after SPE using Supelclean™ ENVI-18

    SPE tube/cartridge Supelclean ENVI-18, 500 mg/6 mL glass SPE tube (54331-U) condition 1 mL 1% formic acid in acetonitrile, then 1 mL water elution 2 mL 1% formic acid in acetonitrile eluate post-treatment 1 mL aliquot of eluent, and evaporate/reconstitute to 0.5 mL in acetonitrile column Ascentis Ex...

    Application Notes for Photometry & Reflectometry

    Our rapid tests offer numerous options for determining the concentration of individual parameters. Whether for water analysis, the measurement of specific food parameters or the control of production processes, our rapid tests are designed to ensure your success. Check out our broad range of applica...

    Analytical Method: Iron in industrial water

    Instruments and Reagents: Cat.No. 173016 Spectroquant® VIS Spectrophotometer Prove 100 or Cat.No. 173017 Spectroquant® UV/VIS Spectrophotometer Prove 300 or Cat.No. 173018 Spectroquant® UV/VIS Spectrophotometer Prove 600 or Cat.No. 109748 Spectroquant® Photometer NOVA 30 or Cat.No. 109751 Spectroqua...