200-260-7 | Sigma-Aldrich

Bright prospects - Solvents for spectroscopy Uvasol®EMD

(80 %), 240 (90 %), 250 (95 %), 260 (98 %) 500 ml GL 1.06002.0500 2.5 l GL 1.06002.2500 2-Methyl- butane 99.8 0.0005 0.005 1.0 1.0 190 (50 %), 200 (65 %), 210

User Guide-RAB0277

130 µL 130 µL Std 1 Std 2 Std 3 Std 4 Std 5 Std 6 Std 7 0 Std Diluent volume Std + 400 µL 260 µL 260 µL 260 µL 260 µL 260 µL 260 µL

Millistak+ activated carbon for mAb downstream purification

200 250 300 pH 5, 3.5 mS pH 5, 15 mS pH 7, 3.5 mS pH 7, 15 mS 150 100 50 Po ol P ur it y 200 cm/h 400 cm/h

CLONAZEPAM Methanol Solution

3020 FT-IR 70 eV Electron Ionization Mass Spectrum 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 0 1000 2000 3000 4000 5000

CLONAZEPAM Methanol Solution

Detector Hewlett-Packard G1034C MS ChemStation (HP-DOS series) 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 0 1000 2000 3000 4000 5000 6000 7000 8000

Data Sheet - C6520 - Lot 041K8801

Galaxy 3020 FT-IR 70 eV Electron Ionization Mass Spectrum 40 60 80 100 120 140 160 180 200 220 240 260 280 300 0 10000 20000 30000 40000 50000 60000 70000

Data Sheet - C6520 - Lot 23K8807

70 eV Electron Ionization Mass Spectrum 40 60 80 100 120 140 160 180 200 220 240 260 280 300 0 10000 20000 30000 40000 50000 60000 70000

Data Sheet - F8763

Galaxy 3020 FT-IR 70 eV Electron Ionization Mass Spectrum 40 60 80 100 120 140 160 180 200 220 240 260 280 300 0 1000 2000 3000 4000 5000 6000 7000

Bulletin - EXT150

be frozen in aliquots. PROCEDURE 1. Zero two matched semimicro cuvettes at 260 nm containing 200 O�RI��;�K\GURO\VLV�EXIIHU (0.1 M Tris HCL pH 8.9, 10 mM MgCl2). Empty and dry the sample

App Note: Cannabinoids Analysis in Cannabis using a High Resolution Monolithic Silica HPLC

120 100 80 60 40 20 0 220 240 260 280 300 320 340 360 380 nm Nom 1200 1000 800 600 400 200 0 220

Data Sheet - C6520 - Lot 41K8801

3020 FT-IR 70 eV Electron Ionization Mass Spectrum 40 60 80 100 120 140 160 180 200 220 240 260 280 300 0 10000 20000 30000 40000 50000

Data Sheet - L0140

Galaxy 3020 FT-IR 70 eV Electron Ionization Mass Spectrum 40 60 80 100 120 140 160 180 200 220 240 260 280 300 0 5000 10000 15000 20000 25000 m/z Abundance

Data Sheet - C6520 - Lot 52K8801

Galaxy 3020 FT-IR 70 eV Electron Ionization Mass Spectrum 40 60 80 100 120 140 160 180 200 220 240 260 280 300 0 50000 100000 150000 200000 250000 300000 350000

Product Information Sheet - EXT1200

be frozen in aliquots. PROCEDURE 1. Zero two matched semimicro cuvettes at 260 nm containing 200 O�RI��;�K\GURO\VLV�EXIIHU (0.1 M Tris HCL pH 8.9, 10 mM MgCl2). Empty and dry the sample

MultiScreen Solubility Filter Plate: Quantitative method to determine drug aqueous solubility

superimposed calibration scans for glybenclamide at concentrations of 500, 200, 50, 12.5, and 3.125 µM. Using a wavelength >260 nm at or near the maximum absorbance (300 nm for glybenclamide)

Macro Pipette Controller Leaflet

Description Pack of Cat. No. Membrane filter 3 µm (PP, PTFE), non-sterile 1 260 52 Membrane filter 3 µm (PP, PTFE), non-sterile 10 260 56 Adapter (Silicone), length 44 mm 1 261 46 Adapter support (PP

User Guide - EC200

Concentration (ng/µl) Average Quality (260/280) Average Mass (µg) 200 µl blood 45.23 1.74 4.52 500 µl blood 83.29 1.79 8.33 1,000 µl blood 184.49 1.82 18.45 Average spectrophotometric

User Manual - EC196

1 2 3 4 5 6 7  Average Mass (µg)  Average Quality (260/280) Table 2 . Average Concentration (ng/µl) Average Quality (260/280) Average

User Guide - EC196

1 2 3 4 5 6 7  Average Mass (µg)  Average Quality (260/280) Table 2 . Average Concentration (ng/µl) Average Quality

Chromatographic Purification of Plasmid DNA

21 43 5 6 7 8 9 10 11 400 300 200 100 0 Retention time (minutes) DAD: Signal A, 260 nm/Bw: 4 nm 2. 96 8 0. 73 4

Check list - EC200

Concentration (ng/µl) Average Quality (260/280) Average Mass (µg) 200 µl blood 45.23 1.74 4.52 500 µl blood 83.29 1.79 8.33 1,000 µl blood 184.49 1.82 18.45 Average spectrophotometric

User Manual - EC200

Concentration (ng/µl) Average Quality (260/280) Average Mass (µg) 200 µl blood 45.23 1.74 4.52 500 µl blood 83.29 1.79 8.33 1,000 µl blood 184.49 1.82 18.45 Average spectrophotometric

Drying Oven DO307 - Operating Instructions

Bedienungsanleitung Mode d‘emploi 40 OFF 60 80 100 120 140 160 180 200 220 240 260 280 300 HEATING TEMPERATURE °C POWE R Drying Oven Trocknungsofen Four de

Supelco SLB -IL60 Ionic Liquid GC Columns

3 PEG 4 PEG 5 SLB-IL60 pA Column Before After 280 °C 270 °C 260 °C 260 °C 300 °C 300 °C

Product Information Sheet - GEG1N

absorbance at 260 and 280 nm using a quartz micro- cuvette. The absorbance should be between 0.1 and 1.0 (or within the linear range of your spectrophoto- meter). An absorbance of 1.0 at 260 nm corresponds

HPLC Reagents

5749-7 Si60 Plastic Roll 500 x 20 Plastic TLC 200 1 roll 5581-7 Aluminum Oxide 60, Neutral F254 20 x 20 Plastic TLC 200 25-PK 5577-7 Cellulose 20 x 20 Plastic TLC 100 25-PK 5579-7 PEI (Polyethyleneimine

User Guide - EC300

clogging. 260/230 ratios appear to be "too low." In some cases, the 260/230 ratios may be below the recommended range. Downstream assays have not been shown to be compromised by lower 260/230 ratios

User Manual - EC500

clogging. 260/230 ratios appear to be "too low." In some cases, the 260/230 ratios may be below the recommended range. Downstream assays have not been shown to be compromised by lower 260/230 ratios

Bulletin - NA2000

San Diego, CA, 1993. 7 Poor or low genomic DNA recovery. Cause — DNA elution is incomplete. Solution — Confirm that the DNA was eluted in 200 mL of

Product Information Sheet - NA2010

San Diego, CA, 1993. 7 Poor or low genomic DNA recovery. Cause — DNA elution is incomplete. Solution — Confirm that the DNA was eluted in 200 μL of