Chromatography
Chromatography LLG-Headspace wash kit with crimp neck vials Extraction kits Copure ® QuEChERS ® LABWARE ! Reasonably Priced Extraction and clean-up mixtures for sample preparation in the pesticide analysis of vegetable foodstuffs according to EN 15662 using GC/MS or LC/MS after acetonitrile extraction and purification using the dispersive SPE-QuEChERS method. Kit with 25 crimp neck vials (10 ml) with PE snap cap and Silikon/PTFE septum (Y-slitted), in a storage box made of PP. -30% Type PK Cat. No. Price Now EUR EUR LLG-Headspace Wash Kit 25 6.313 420 50,90 35,63 Capillary columns GC BPX5 The samples are first extracted with Mix A. Purification is done with one of the following mixtures: - Mix B (Clean-up mixture for fruits and vegetables with low fat content, e.g. apples, strawberries) - Mix C (Clean-up mixture for fruits and vegetables with high fat content, containing oil/wax, e.g. avocados) - Mix D (Clean-up mixture for moderately chlorophyll/carotenoidcontaining fruits and vegetables, e.g. carrots, salad) - Mix E (Clean-up mixture for fruits and vegetables with high chlorophyll/carotenoid content, e.g. sweet peppers, spinach) If required, add ceramic homogenising beads for better mixing. - Mix A contains a bag with the required amount of mixture and a 50 ml empty tube - Mix B, C, D and E are pre-weighed into a 15 ml tube -30% Type Capacity Composition PK Cat. No. Price Now Mix A Mix B Mix C Mix D Mix E ml EUR EUR 50 4 g MgSO4, 50 4.669 294 112,00 78,40 1 g NaCl, 1 g Trisodium citrate, 0.5 g Disodium citrate 15 0.15 g PSA, 50 4.669 295 98,00 68,60 0.9 g MgSO4 15 0.15 g PSA, 0.15 g C18, 50 4.669 296 141,00 98,70 0.9 g MgSO4 15 0.15 g PSA, 0.015 g GCB, 50 4.669 297 125,00 87,50 0.9 g MgSO4 15 0.15 g PSA, 0.045 g GCB, 50 4.669 298 168,00 117,60 0.9 g MgSO4 Water, ultra pure 5% Phenyl Polysilphenylene-siloxane. General purpose GC column for routine gas chromatographic analysis. Suitable replacement for: DB-5, DB-5ms, DB-5.625, XTI-5, Rtx-5ms, Ultra-2, HP-5, HP-5MS, HP5-TA, SPB-5, MDN-5S, CP-Sil8CB, Rxt-Sil 5MS, AT-5ms, VB-5, ZB-5, VF-5ms. - Very low bleed - Non-polar - Extremely inert - Temp. range -40 °C … 360/370 °C -5% Int. Length Film PK Cat. No. Price Now diam. thickness mm m µm EUR EUR 0.22 0.22 0.25 0.25 0.25 0.32 0.32 0.32 0.32 0.32 30 50 30 30 60 12 25 30 60 50 0.25 0.25 0.25 1.00 1.00 0.25 0.25 0.25 0.25 0.50 1 6.226 218 1 7.639 635 1 6.089 900 1 6.226 546 1 6.234 303 1 6.204 980 1 6.225 537 1 6.205 532 1 7.672 518 1 6.205 984 657,10 1.077,30 593,50 578,10 1.045,50 404,90 603,80 625,30 982,00 1.150,10 625,56 1.025,59 565,01 550,35 995,32 385,46 574,82 595,29 934,86 1.094,90 0.32 12 1.00 1 7.635 438 415,20 395,27 Water for a variety of applications in analytical chemistry. H2O - LF < 1 µS/cm - 0.4 µm, UV filtrated. -30% Nominal PK Cat. No. Price Now capacity ml EUR EUR 5000 1 4.675 028 28,90 20,23 12 You can find our complete range on our website.
pH and Conductivity Measurement ! Built-in Memory Function Adjustable Temperature Coefficient Conductivity meters Eutech CON150/CON450 Best value for a waterproof conductivity meter. - Large, three line LCD, view conductivity or TDS measurement with temperature as well as cell efficiency - Built-in memory function, stores up to 150 measurements along with temperature - Adjustable temperature coeffcient, set to 0.0 % to meet USP methods for non-compensated measurements - Acoustic indication of necessary recalibration - Power with AA batteries or use optional AC adapter - Calibrate using automatically recognized standards or manually, to a single point across all ranges or to multiple points (one calibration point per each conductivity range) - Ready indicator, manual or automatic measurement hold feature and optional automatic shut-off function - Adjustable conductivity-to-TDS conversion factor, from 0.4 to 1.0 - Includes innovative Grip-Clip, quickly and easily secures the electrode to your beaker or container Additional features CON450 - Backlit display - Built-in memory function, stores up to 500 data sets, USB and RS232 output - Built-in real-time clock stamps stored data and calibration data with time and date, meets standards for GLP (Good Laboratory Practices) Scope of supply: Meter, conductivity cell (K =1.0), Grip Clip, 2 x AA batteries, hard carry case, calibration solutions (1 x 1413 µS, 12.88 mS, 84 µS KCL Standard Solutions and 1 x Deionised (Rinse) Water, 60 ml each). CON450 additionally with USB cable CON150 CON450 Specifications Conductivity range: 0 ... 200 mS Resolution: 0.01 µS ... 0.1 mS Accuracy: ±1 % full scale Conductivity calibration: Auto/manual, 1 point per range TDS range: 0 ... 200000 ppm (TDS factor 1.0) Resolution: 0.01 ppm ... 100 ppm Accuracy: ±1 % full scale TDS calibration: Manual, 1 point per range Salinity range (CON450 only): 0 ... 50000 ppm Resolution: 0.01 Accuracy: ±1 % full scale Salinity calibration: Manual, 1 point Temperature range: -10.0 ... 110.0 °C Resolution: 0.1 °C Accuracy: ±0.5 °C Dimensions (W x L x H): 83 x 200 x 57 mm Weight: 500 g Power supply (CON450/CON150): Incl. 2 x AA batteries, >300 h/>500 h continuous use, AC adapter (optional) IP code: IP 67 Warranty: 3 years on the meter -25% Type PK Cat. No. Price Now CON150 CON450 1 1 6.284 907 6.282 321 EUR 439,00 628,00 EUR 328,37 469,74 Conductivity Standards -30% Conductivity standards tested and ISO 17025 certified at 25 °C. Uncertainty of measurement of ±1%. Directly traceable to N.I.S.T. Temperature dependence data is printed on the label as are lot numbers and expiry dates. Supplied in 500 ml HDPE bottle. Calibration values 84, 147, 1413, 12880 µS/cm. Control Values 5 - 350000 µS/cm. Type Capacity PK Cat. No. Price Now µS/cm ml EUR EUR 5 10 20 23.8 50 84 100 147 200 500 1000 1413 3000 5000 10000 12880 50000 100000 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 1 6.901 629 1 6.901 622 1 6.802 901 1 6.259 883 1 6.074 754 1 9.040 904 1 6.234 859 1 9.040 905 1 6.802 902 1 6.205 415 1 6.901 670 1 9.040 906 1 9.040 964 1 6.205 412 1 6.901 671 1 9.040 907 1 6.210 129 1 6.205 413 166,60 166,60 166,60 166,60 166,60 42,30 166,60 42,30 153,40 166,60 166,60 42,30 166,60 166,60 166,60 42,30 166,60 166,60 116,62 116,62 116,62 116,62 116,62 29,61 116,62 29,61 107,38 116,62 116,62 29,61 116,62 116,62 116,62 29,61 116,62 116,62 350000 500 1 9.040 987 166,60 116,62 You can find our complete range on our website. 13
