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    Search term:"Sample Preparation"

    515 matches found for Sample Preparation

    Analytical Method: Copper (total) in steels (Others)

    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: Copper (total) in steels

    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 Voriconazole With Exposition To UV Light on Chromolith Performance 100-4.6 mm

    sample preparation stirring 3 hours under UV-Light 254nm column Chromolith® Performance 100 x 4.6 mm (1.52028.0001) column temp. ambient mobile phase [A] acetonitrile; [B] water; (50:50, A:B) flow rate 1 mL/min pressure 4758 psi (33 bar) sample Voriconazole 50 μg/mL injection 20 μL detector 256 nm c...

    Analytical Method: Copper (total) in wine

    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: Manganese (total) in steels

    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 Voriconazole With Heat Stress on Chromolith Performance 100-3mm

    sample preparation stirring 24 hours at 70°C column Chromolith® Performance 100 x 3 mm (1.52001.0001) column temp. ambient mobile phase [A] acetonitrile; [B] water; (50:50, A:B) flow rate 425 μL/min pressure 4032 psi (28 bar) sample Voriconazole 50 μg/mL injection 5 μL detector 256 nm cell: 1.4 μL F...

    GC Analysis of Agriculture Pesticides in Orange (Spiked) on SLB®-5ms after QuEChERS Cleanup using Primary-Secondary Amine (PSA)

    sample preparation SPE (Solid Phase Extraction) sample/matrix 15 g of ground-up orange, 75 µL of the internal standard stock solution (ethoprophos at 20 ppm in methanol), 75 µL of the pesticide stock solution (29 pesticides, each at 20 ppm in methanol) column SLB-5ms, 30 m x 0.25 mm I.D, 0.25 µm (28...

    LC/MS/MS Analysis of Carbendazim in Orange Juice (Spiked) on Ascentis® Express C18 after Supel™ QuE PSA/C18 QuEChERS Cleanup

    sample preparation Dispersive (QuEChERS) sample/matrix orange juice spiked with carbendazim at 1 ppb extraction tube Supel™ QuE Citrate (EN) Tube (55227-U) extraction process add 10 mL of orange juice with pulp to a 50 mL empty extraction tube (55248-U); add carbendazim at 1 ppb; add 10 mL acetonitr...

    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...

    LC/MS Analysis of Triclosan (Irgasan) in Waste Water on Ascentis® Express C18 after SPE using Supel™-Select HLB

    sample preparation SPE (Solid Phase Extraction) sample/matrix waste-water treatment plant effluent SPE tube/cartridge Supel Select HLB 60 mg/ 3 mL (54182-U) condition 3 mL methanol, 3 mL distilled water, 3 mL 0.01 M HCl sample addition 50 mL washing wash using 10 mL distilled water, dry for 5 minute...

    Analytical Method: Gold in electroplating baths/cyanidic

    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...

    GC Analysis of Glycols in Water on SPB®-1000 after SPE using ENVI-Carb™ Plus

    sample preparation SPE (Solid Phase Extraction) sample/matrix tap water spiked at 2 µg/mL with glycols SPE tube/cartridge ENVI-Carb Plus reversible cartridge, 400 mg/ 1mL (54812-U) condition 1 mL methylene chloride, 2 x 2 mL methanol, 3 mL deionized water (cartridge not allowed to dry during conditi...

    HPLC Analysis of Aflatoxins in Peanut Paste on Ascentis® Express C18 following SPE using Supel™ Tox AflaZea

    sample preparation Solid Phase Extraction sample/matrix raw peanut paste extraction process suspend 25 g raw peanut paste in 100 mL acetonitrile:water (84:16) extraction solution SPE tube/cartridge Supel Tox AflaZea, 6 mL (55314-U) sample addition directly load 2 mL extract onto SPE tube elution pul...

    HPLC Analysis of Voriconazole With Heat Stress on Chromolith Performance 100-2mm

    sample preparation stirring 24 hours at 70°C column Chromolith® Performance 100 x 2 mm (1.52006.0001) column temp. ambient mobile phase [A] acetonitrile; [B] water; (50:50, A:B) flow rate 190 μL/min pressure 3024 psi (21 bar) sample Voriconazole 50 μg/mL injection 2 μL detector 256 nm cell: 1.4 μL F...

    LC/MS Analysis of Aflatoxin M1 in Milk on Ascentis® Express HILIC after SPE using Supel™ Tox AflaZea, Quantifying Picogram Concentrations

    sample preparation SPE (Solid Phase Extraction) sample preparation reconstitut in 500 µL 20:80 acetonitrile:water, filter into 750 µL poly vial using PVDF filter, 0.2 µm sample/matrix cow milk extraction process centrifuge 45 g liquid milk for 60 min at 5000 rpm (RCF 4863 xg), cool at 0 °C for 30 mi...

    Analytical Method: Nitrite in effluents

    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...

    GC Analysis of Pesticides in Avocado on SLB®-5ms (20 m x 0.18 mm I.D., 0.36 μm) after QuEChERS Cleanup using Supel™ QuE Z-Sep+, Fast GC Analysis

    sample preparation Dispersive (QuEChERS) sample/matrix Avocado spiked with pesticides at 20 ng/g extraction tube Supel QuE Acetate extraction tube (55234-U) extraction process add 25 mL of acetonitrile; shake for 1 minute; add contents of Supel QuE acetate extraction tube; shake immediately for 1 mi...

    GC Analysis of PCBs in Cod Liver Oil (Spiked) on SLB®-5ms after SPE using Supelclean™ EZ-POP NP and Supelclean LC-Si

    sample preparation SPE (Solid Phase Extraction) sample/matrix cod liver oil spiked with PCBs (at 10 ng/g) SPE tube/cartridge Supelclean™ EZ-POP NP, 12 mL, Pk 20 (54341-U) SPE tube/cartridge Supelclean™ LC-Si, 100 mg/1 mL (504041) condition 10 mL acetone, 10 min dry at 20" mercury condition 4 mL acet...

    HPLC Analysis of Albuterol Tablets - Assay on Chromolith® HighResolution RP-18 endcapped 150 x 4.6mm

    sample preparation 120 μg/mL of Albuterol Sulfate RS prepared as follows. Transfer USP Albuterol Sulfate RS to a suitable volumetric flask, and add a volumne of Solution A corresponding to 60% of the flask volume. Sonicate for 5 minutes, and dilute with Methanol to volume. column Chromolith® HighRes...

    GC Analysis of FAMEs in Fish Oil Capsules on Omegawax®

    column Omegawax, 30 m x 0.25 mm I.D., 0.25mum (24136) oven 170 °C, 1 °C/min to 225C carrier gas helium, 1.2 mL/min sample 1. Fish Oil from capsule, prepared according to AOAC Method 991.39 2. Atlantic, farm-raised salmon, prepared according to AOCS Official Method Ce 1k-09 injection 1 µL, 100:1 spli...

    Analytical Method: Iron in fertilizers

    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: Nickel in mineral water (Food and Beverages)

    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: Gold in electroplating baths

    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: Color, ADMI as per APHA 2120 F

    Instruments and reagents: Cat.No. 100706 Spectroquant® Spectrophotometer Pharo 100 or Cat.No. 100707 Spectroquant® Spectrophotometer Pharo 300 Cat.No. 114946 Rectangular cells 10 mm and/or Cat.No. 114944 Rectangular cells 50 mm Cat.No. 116754 Water for analysis Cat.No. 100716 Sulfuric acid 25 % for ...

    HPLC Analysis of Voriconazole With Heat Stress on Chromolith Performance 100-4.6 mm

    sample preparation stirring 24 hours at 70°C column Chromolith® Performance 100 x 4.6 mm (1.52028.0001) column temp. ambient mobile phase [A] acetonitrile; [B] water; (50:50, A:B) flow rate 1 mL/min pressure 4758 psi (33 bar) sample Voriconazole 50 μg/mL injection 20 μL detector 256 nm (cell: 11μL) ...

    UHPLC Analysis of Aflatoxins on Titan™ C18 with TFA Derivatization and Fluoresence Detection

    sample preparation 200 µL of standard solution of aflatoxins was mixed with 300 µL of derivatization solution (7:1:2 water:acetic acid:trifluoroacetic acid). (The mixture was kept at 65 °C for 25 minutes, then cooled down to room temperature. 550 µL of water was added.) column Titan C18, 10 cm x 2.1...

    Analytical Method: Nitrite in meat and sausage products

    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...

    GC Analysis of Pesticides in Beef Kidney on SLB®-5ms (20 m x 0.18 mm I.D., 0.36 μm) after QuEChERS Cleanup using Supel™ Que Z-Sep+, MS in SIM Mode, Fast GC Analysis

    sample preparation Dispersive (QuEChERS) sample/matrix 10 gm homogenized beef kidney spiked at 50 ng/g with pesticides extraction tube Supel Que Acetate (AC) Tube (55234-U) extraction process add 10 mL of acetonitrile; shake for 1 minute; add contents of Supel Que acetate extraction tube (55234-U); ...

    HPLC Analysis of Hydroxymethylfurfural in Honey on Chromolith® High Resolution RP-18e

    sample preparation 2.5 g honey diluted in 10 mL phosphoric acid (1M) column Chromolith® High Resolution RP-18 endcapped, 100 x 4.6 mm (1.52022.0001) column temp. ambient mobile phase [A] acetonitrile; [B] water ; (10:90, A:B) flow rate 1.0 mL/min pressure 900 psi (62 bar) sample Hydroxymethylfurfura...

    GC Analysis of PCBs in Cod Liver Oil (Unspiked) on SLB®-5ms after SPE using Supelclean™ EZ-POP NP and Supelclean LC-Si

    sample preparation Solid Phase Extraction sample/matrix cod liver oil SPE tube/cartridge Supelclean™ EZ-POP NP, 12 mL, pack of 20 (54341-U) SPE tube/cartridge Supelclean™ LC-Si, 100 mg/1 mL (504041) condition 10 mL acetone, 10 min dry at 20" mercury condition 4 mL acetone, 10 min dry at 20" mercury,...