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138 matches found for petroleum

Determination of Water Content in Liquid petroleum gas Using Karl Fischer Titration

Hydrocarbons, Petroleum products Hydrocarbons Saturated hydrocarbons can in most cases be titrated according to standard methods. To overcome solubility problems of unpolar or weakly polar substances, the addition of a solubiliser to the solvent is necessary. In the case of long-chain and cyclic hyd...

Determination of Water Content in Petroleum Using Karl Fischer Titration

Hydrocarbons, Petroleum products Hydrocarbons Saturated hydrocarbons can in most cases be titrated according to standard methods. To overcome solubility problems of unpolar or weakly polar substances, the addition of a solubiliser to the solvent is necessary. In the case of long-chain and cyclic hyd...

GC Analysis of Total Petroleum Hydrocarbons (TPH) on SLB®-5ms

column SLB-5ms, 30 m x 0.25 mm I.D., 0.25 µm (28471-U) oven 45 °C (3 min), 20 °C/min to 360 °C (10 min) carrier gas helium, 1.3 mL/min. constant sample TPH Mix 3, each analyte at 1000 µg/mL in carbon disulfide (861394-U) injection 1.0 µL, 100:1 split liner 2 mm I.D. straight inj. temp. 275 °C detect...

GC Analysis of Total Petroleum Hydrocarbons (TPH) on SLB®-5ms (20 m x 0.18 mm I.D., 0.18 μm), Fast GC Analysis

column SLB-5ms, 20 m x 0.18 mm I.D., 0.18 µm (28564-U) oven 70 °C (0.5 min), 20 °C/min to 360 °C (1 min) carrier gas hydrogen, 2.5 mL/min constant sample TPH Mix 3, each analyte at 1000 µg/mL in carbon disulfide (861394-U) injection 0.50 µL, 200:1 split liner 2 mm I.D. straight inj. temp. 275 °C det...

Determination of Water Content in Crude oil Using Karl Fischer Titration

Petroleum products Petroleum products Petroleum products are mixtures of long-chain or aromatic hydrocarbons. They are hardly soluble in methanol. Water determination by Karl Fischer therefore requires the addition of solubilisers. For light oils, long-chain alcohols are suitable. For dissolving of ...

Determination of Water Content in Bitumen Using Karl Fischer Titration

Petroleum products Petroleum products Petroleum products are mixtures of long-chain or aromatic hydrocarbons. They are hardly soluble in methanol. Water determination by Karl Fischer therefore requires the addition of solubilisers. For light oils, long-chain alcohols are suitable. For dissolving of ...

Determination of Water Content in Petrolene Using Karl Fischer Titration

Petroleum products Petroleum products Petroleum products are mixtures of long-chain or aromatic hydrocarbons. They are hardly soluble in methanol. Water determination by Karl Fischer therefore requires the addition of solubilisers. For light oils, long-chain alcohols are suitable. For dissolving of ...

Determination of Water Content in Engine oil (with additives) Using Karl Fischer Titration

Petroleum products Petroleum products Petroleum products are mixtures of long-chain or aromatic hydrocarbons. They are hardly soluble in methanol. Water determination by Karl Fischer therefore requires the addition of solubilisers. For light oils, long-chain alcohols are suitable. For dissolving of ...

Determination of Water Content in Tar Using Karl Fischer Titration

Petroleum products Petroleum products Petroleum products are mixtures of long-chain or aromatic hydrocarbons. They are hardly soluble in methanol. Water determination by Karl Fischer therefore requires the addition of solubilisers. For light oils, long-chain alcohols are suitable. For dissolving of ...

Determination of Water Content in Lube oil Using Karl Fischer Titration

Petroleum products Petroleum products Petroleum products are mixtures of long-chain or aromatic hydrocarbons. They are hardly soluble in methanol. Water determination by Karl Fischer therefore requires the addition of solubilisers. For light oils, long-chain alcohols are suitable. For dissolving of ...

Determination of Water Content in Heavy fuel Using Karl Fischer Titration

Petroleum products Petroleum products Petroleum products are mixtures of long-chain or aromatic hydrocarbons. They are hardly soluble in methanol. Water determination by Karl Fischer therefore requires the addition of solubilisers. For light oils, long-chain alcohols are suitable. For dissolving of ...

Determination of Water Content in Benzene, gasoline Using Karl Fischer Titration

Hydrocarbons, Petroleum products Hydrocarbons Saturated hydrocarbons can in most cases be titrated according to standard methods. To overcome solubility problems of unpolar or weakly polar substances, the addition of a solubiliser to the solvent is necessary. In the case of long-chain and cyclic hyd...

Determination of Water Content in Mineral oil Using Karl Fischer Titration

Hydrocarbons, Petroleum products Hydrocarbons Saturated hydrocarbons can in most cases be titrated according to standard methods. To overcome solubility problems of unpolar or weakly polar substances, the addition of a solubiliser to the solvent is necessary. In the case of long-chain and cyclic hyd...

Determination of Water Content in Kerosene Using Karl Fischer Titration

Hydrocarbons, Petroleum products Hydrocarbons Saturated hydrocarbons can in most cases be titrated according to standard methods. To overcome solubility problems of unpolar or weakly polar substances, the addition of a solubiliser to the solvent is necessary. In the case of long-chain and cyclic hyd...

Determination of Water Content in Diesel fuel Using Karl Fischer Titration

Hydrocarbons, Petroleum products Hydrocarbons Saturated hydrocarbons can in most cases be titrated according to standard methods. To overcome solubility problems of unpolar or weakly polar substances, the addition of a solubiliser to the solvent is necessary. In the case of long-chain and cyclic hyd...

Determination of Water Content in Transformer oil Using Karl Fischer Titration

Hydrocarbons, Petroleum products Hydrocarbons Saturated hydrocarbons can in most cases be titrated according to standard methods. To overcome solubility problems of unpolar or weakly polar substances, the addition of a solubiliser to the solvent is necessary. In the case of long-chain and cyclic hyd...

Determination of Water Content in Biodiesel Using Karl Fischer Titration

Esters of carboxylic acids, Petroleum products Esters of carboxylic acids Esters of carboxylic acid can be analysed analogously to the hydrocarbons according to standard Karl Fischer methods. Long-chain compounds require the addition of solubilisers, e.g. long-chain alcohols or chloroform. Unsaturat...

TLC Analysis of Chlorinated Hydrocarbons on HPTLC DIOL F254s

sample 0.5 μL eluent [A] petroleum benzine (40-60°) chamber normal chamber without chamber saturation migration distance 7 cm plate HPTLC pre-coated plate DIOL F254s (1.12668.0001) detector in situ-evaluation with TLC/HPTLC scanner (Camag) UV 220 nm Featured Industry Life Science and Biopharma suita...

TLC Analysis of Some Pesticides on HPTLC pre-coated plate DIOl F 254s

plate HPTLC pre-coated plate DIOL F 254s eluent petroleum benzine (40 - 600)/acetone 85/15 (v/v) migration distance 7 cm chamber normal chamber without chamber saturation sample application volume 300 nL detection in situ-evaluation with TLC/HPTLG scanner (Camag) UV 230 nm Featured Industry Environm...

Separation of Plant Pigments on Silica gel 60

Plate HPTLC Silica gel 60 F254, 10x10cm Article number 1. 05628 Mobile Phase (v/v) 100mL petroleum ether / 11mL isopropanol / 5 drops water Migration distance 5cm Application volume 2 µL sample preparation milling leafs in a motar with acetone Chamber normal chamber without chamber saturation Detect...

TLC Analysis of Steroids on HPTLC Silica gel 60 DIOL F254s

plate HPTLC Silica gel 60 DIOL F254s 20x10cm (Product No. 1.05636) Mobile phase petroleum benzine 40-60°C/acetone (80/20) migration distance 5 cm chamber normal chamber without chamber saturation sample application volume 1 µl detection 20% perchloric acid in water spray 20s and heat 5min at 100°C, ...

TLC Analysis of Plasticizers on HPTLC Silica Gel 60 F 254 with Concentrating Zone

plate TLC pre-coated plate silica gel 60 F 254s with concentrating zone (1.13728.0001, 1.13727.0001) eluent [A] petroleum benzene 40-60 °C; [B] acetone; (90:10, A:B) migration distance 5 cm chamber normal chamber without chamber saturation sample 1 μL detector in situ-evaluation with TLC/HPTLC scann...

TLC Analysis of Antioxidants on HPTLC Silica Gel 60 F 254 with Concentrating Zone

plate HPTLC pre-coated plate silica gel 60 F254 with concentrating zone (1.13728.0001, 1.13727.0001) eluent [A] petroleum benzine (40-60 °C); [B] acetone; (90:10, A:B) migration distance 5 cm chamber normal chamber without chamber saturation sample 1 μL detector in situ-evaluation with TLC/HPTLC sca...

TLC Analysis of Progesterones on HPTLC DIOL F254s (analyte set 3)

plate HPTLC pre-coated plate DIOL F 254s (1.12668.0001) eluent [A] petroleum benzine (40-60°); [B] acetone; (75:25, A:B) migration distance 7 cm chamber normal chamber without chamber saturation sample 0.3 μL detector Spray reagent: MnCl2-sulfuric acid heated up to 110° C for 5 min (in situ-evaluati...

TLC Analysis of Plant Pigments on Silica Gel 60 (set 2)

plate HPTLC Silica gel 60 with concentrating zone, 20x10cm (product no. 1.13749, alt product No. 1.13748) Mobile phase 100ml petroleum ether / 11ml isopropanol / 5 drops water migration distance 5 cm chamber normal chamber without chamber saturation sample application volume 2 µl detection White lig...

TLC Analysis of Progesterones on HPTLC CN F254s

plate TLC pre-coated plate CN F 254s (1.16464.0001) eluent A] petroleum benzine (40-60°); [B] acetone; [C] water; (a. straight-phase system: (80:20, A:B) b. reversed-phase system: (60:40, B:C) ) migration distance 7 cm chamber normal chamber without chamber saturation sample 0.2 μL detector in situ-...

TLC Analysis of Cholesteryl Esters on HPTLC Si 60 F254 with Concentrating Zone

plate HPTLC pre-coated plate silica gel 60 F254 with concentrating zone (1.13728.0001, 1.13727.0001) eluent [A] toluene; [B] petroleum benzene 40-60 °C; (40:60, A:B) migration distance 7 cm chamber normal chamber without chamber saturation sample 5 μL detector in situ evaluation with TLC/HPTLC scann...

TLC Analysis of Some Pesticides on HPTLC DIOL F254s

plate 1.05636 HPTLC pre-coated plate DIOL F 254 (1.05636.0001, 1.12668.0001) eluent [A] petroleum benzine (40 - 60°); [B] acetone; (90:10, A:B) migration distance 7 cm chamber normal chamber without chamber saturation sample 0.3 μL detector in situ evaluation with TLC/HPTLC scanner (Camag) UV 238 nm...

TLC Analysis of Herbicides / Fungicides on HPTLC DIOL F254s

plate 1.05636 HPTLC pre-coated plate DIOL F 254s (1.05636.0001, 1.12668.0001 ) eluent [A] petroleum benzine (40 - 60°); [B] acetone; (85:15, A:B) migration distance 7 cm chamber normal chamber without chamber saturation sample 0.5 μL detector in situ evaluation with TLC/HPTLC scanner (Camag) UV 238 ...

TLC Analysis of Derivatives of Urea on HPTLC DIOL F254s

sample 0.2 μL detector dipped in dichlorofluorescein (0.2% in ethanol) (in situ evaluation with TLC/HPTLC scanner (Camag) UV 238 nm) eluent [A] petroleum benzine (40-60°); [B] acetone; (80:20, A:B) chamber normal chamber without chamber saturation migration distance 7 cm plate HPTLC pre-coated plate...