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    Search term:"cosmetic"

    106 matches found for cosmetic

    HPLC Analysis of Cosmetic Preservatives on Ascentis® Express C18 (1.2 mL/min)

    column Ascentis Express C18, 7.5 cm x 3 mm I.D., 2.7 µm particles (53812-U) column temp. 35 °C mobile phase [A] water; [B] methanol; (55:45, A:B) flow rate 1.2 mL/min sample methyl-, benzylparaben, 50 mg/L; ethylparaben, 30 mg/L; propyl-, butylparaben, 100 mg/L; 2-phenoxyethanol, 1.5 g/L; 1-phenoxy-...

    HPLC Analysis of Cosmetic Preservatives on Ascentis® Express RP-Amide at Elevated Flow and Temperature (1.2 mL/min)

    column Ascentis Express RP-Amide, 10 cm x 3 mm I.D., 2.7 µm particles (53918-U) column temp. 50 °C mobile phase [A] water; [B] methanol; (60:40, A:B) flow rate 1.2 mL/min sample methyl-, benzylparaben, 50 mg/L; ethylparaben, 30 mg/L; propyl-, butylparaben, 100 mg/L; 2-phenoxyethanol, 1.5 g/L; 1-phen...

    HPLC Analysis of Cosmetic Preservatives on Ascentis® Express RP-Amide

    column Ascentis Express RP-Amide, 10 cm x 3 mm I.D., 2.7 µm particles (53918-U) column temp. 50 °C mobile phase [A] water; [B] methanol; (60:40, A:B) flow rate 0.6 mL/min pressure 2900 psi (200 bar) sample methyl-, benzylparaben (50 mg/L), ethylparaben (30 mg/L), propyl-, butylparaben (100 mg/L), 2-...

    HPLC Analysis of Cosmetic Preservatives on Ascentis® Express RP-Amide at Elevated Temperature (0.6 mL/min)

    column Ascentis Express RP-Amide, 10 cm x 3 mm I.D., 2.7 µm particles (53918-U) column temp. 50 °C mobile phase [A] water; [B] methanol; (60:40, A:B) flow rate 0.6 mL/min sample methyl-, benzylparaben, 50 mg/L; ethylparaben, 30 mg/L; propyl-, butylparaben, 100 mg/L; 2-phenoxyethanol, 1.5 g/L; 1-phen...

    HPLC Analysis of Cosmetic Preservatives on Ascentis® Express C18 (0.6 mL/min)

    column Ascentis Express C18, 7.5 cm x 3 mm I.D., 2.7 µm particles (53812-U) column temp. 35 °C mobile phase [A] water; [B] methanol; (55:45, A:B) flow rate 0.6 mL/min sample methyl-, benzylparaben, 50 mg/L; ethylparaben, 30 mg/L; propyl-, butylparaben, 100 mg/L; 2-phenoxyethanol, 1.5 g/L; 1-phenoxy-...

    TLC Analysis of a cosmetic active on HPTLC Silica gel 60 F254 (analyte set 2)

    sample preparation 1 g cosmetic samples was stirred with 10 ml 1-Propanol at room temperature and filtered with a 0.45 μm syringe filter. Application with CAMAG ATS4, 6 mm bandwise. detector 254, 366 nm and white light (Derivatisation: Anisaldehyde- sulfuric acid) eluent [A] petroleum benzine; [B] 1...

    TLC Analysis Of Vitamin C Derivates From Cosmetic Formulation on HPTLC Silica gel 60 F254s

    sample preparation 1 g cosmetic formulation (1% and 2% active) was stirred in 10 ml THF for 15 min and filtered over a 0.45 μm syringe filter. Application by CAMAG ATS4 6 mm bandwise. sample 0.150 μL detector UV, 254 nm (Identification by coupling the TLC – MS Interface (CAMAG) with the Advion expre...

    TLC Analysis Of a Cosmetic Active on HPTLC Silica Gel 60 F254 (analyte set 1)

    detector UV, 254 nm (Identification by coupling the TLC – MS Interface (CAMAG) with Microsaic 3500 MiD mass spectrometer (+)-ESI mode. Eluent: Acetonitrile / Water (95/5) + 0.1% TFA) eluent [A] petroleum benzine; [B] acetone; (8:2, A:B) chamber normal chamber without chamber saturation migration dis...

    Sample prep-free determination of Arginine and Taurine in shampoo by using TLC-MS

    The application of modern thin-layer chromatography (TLC) offers a lot of advantages especially in the field of cosmetics. The ingredients can usually be separated directly from complex matrices and many samples can be analysed quickly and simultaneously under exactly the same conditions. Below the ...

    HPLC Analysis of Antibacterials on Chromolith® High Resolution RP-18e

    column Chromolith® High Resolution RP-18 endcapped, 100 x 4.6 mm (1.52022.0001) column temp. ambient mobile phase [A] methanol; [B] phosphat buffer 50mM pH=3,0; (55:45, A:B) flow rate 2 mL/min sample Penicilin 10,61mg/100ml, Ampicilin 20,63mg/100ml injection 1 μL detector 210 nm cell: 11 μL Featured...

    Determination of Water Content in Oil of oranges Using Karl Fischer Titration

    Cosmetics, Foodstuffs Cosmetics Cosmetics on an aqueous and alcoholic basis can be titrated without problems according to the Karl Fischer (KF) method. Due to the often high water concentration of the emulsions small samples are required. The accuracy of analysis is determined through exact sampling...

    HPLC Analysis of Paraben Preservatives on Discovery® C18

    column Discovery C18, 15 cm x 4.6 mm I.D., 5 µm particles (504955) column temp. 20 °C mobile phase [A] acetonitrile: [B] water, (30:70, A:B) flow rate 1 mL/min injection 10 µL detector UV, 254 nm Categories Analytical Chromatography, Preservatives Featured Industry Cosmetics, Personal Care, and Clea...

    Determination of Water Content in Sunblock cream (water resistant) Using Karl Fischer Titration

    Cosmetics Cosmetics Cosmetics on an aqueous and alcoholic basis can be titrated without problems according to the Karl Fischer (KF) method. Due to the often high water concentration of the emulsions small samples are required. The accuracy of analysis is determined through exact sampling, weighing a...

    HPLC Analysis of Mandelic Acid Enantiomers on Astec® CHIROBIOTIC® TAG

    column CHIROBIOTIC TAG, 25 cm x 4.6 mm I.D., 5 µm particles (14024AST) column temp. 25 °C mobile phase 0.1 wt% ammonium formate in methanol flow rate 1 mL/min sample 2 mg/mL in methanol injection 5 µL detector UV, 254 nm Categories Analytical Chromatography, Chiral Applications, Chemicals and Indust...

    Determination of Water Content in Oil of tangerines Using Karl Fischer Titration

    Cosmetics, Foodstuffs Cosmetics Cosmetics on an aqueous and alcoholic basis can be titrated without problems according to the Karl Fischer (KF) method. Due to the often high water concentration of the emulsions small samples are required. The accuracy of analysis is determined through exact sampling...

    HPLC Analysis of Paraben Preservatives on Discovery® RP-AmideC16

    column Discovery RP-Amide C16, 15 cm x 4.6 mm I.D., 5 µm particles (505013) column temp. 20 °C mobile phase [A] acetonitrile: [B] water, (40:60, A:B) flow rate 1 mL/min injection 10 µL detector UV, 254 nm Categories Analytical Chromatography, Preservatives Featured Industry Cosmetics, Personal Care,...

    GC Analysis of Fragrance Compounds in Shampoo Base on a 100% Methyl Column after SPME using 100 μm PDMS Fiber

    desorption process 5 min, 250 °C desorption temp. -50 °C w/liquid CO2 extraction headspace, 5 min, 80 °C (with sample stirring) SPME fiber polydimethylsiloxane, 100 µm film (57300-U) column 100% methyl polysiloxane, 50 m x 0.25 mm I.D., 0.25 µm (Supelco equivalent, Equity-1, 28047-U) oven 35 °C to 2...

    Application Notes for Karl Fischer Titration

    Determination of water content according to Karl Fischer is rapid, accurate and reliable. KF titration is therefore the method of choice in quality and in-process control, production and research & development. Using the Karl Fischer titration with Aquastar® reagents, the water content of gases, liq...

    Determination of Water Content in Cinnamon leaf oil Using Karl Fischer Titration

    Cosmetics, Foodstuffs Cosmetics Cosmetics on an aqueous and alcoholic basis can be titrated without problems according to the Karl Fischer (KF) method. Due to the often high water concentration of the emulsions small samples are required. The accuracy of analysis is determined through exact sampling...

    HPLC Analysis of Chlorhexidine and Robenidine on Ascentis® Phenyl

    column Ascentis Phenyl 15 cm x 4.6 mm I.D., 5 µm particles (581616-U) column temp. 35 °C mobile phase [A] water; [B] acetonitrile; [C] 500 mM ammonium formate, pH 3.0 with formic acid gradient 10% C constant; 65% A, 25% B to 0% A, 90% B in 7 min; held for 2 min; to 65% A, 25% B in 0.5 min flow rate ...

    HPLC Analysis of Paraben Preservatives on Discovery® C8

    column Discovery C8, 15 cm x 4.6 mm I.D., 5 µm particles (59353-U) column temp. 20 °C mobile phase [A] acetonitrile: [B] water, (30:70, A:B) flow rate 1 mL/min injection 10 µL detector UV, 254 nm Categories Analytical Chromatography, Preservatives Featured Industry Cosmetics, Personal Care, and Clea...

    Determination of Water Content in Mascara Using Karl Fischer Titration

    Cosmetics Cosmetics Cosmetics on an aqueous and alcoholic basis can be titrated without problems according to the Karl Fischer (KF) method. Due to the often high water concentration of the emulsions small samples are required. The accuracy of analysis is determined through exact sampling, weighing a...

    GC Analysis of Allergens in Perfume on SLB®-5ms (5 m x 0.05 mm I.D., 0.05 μm), Fast GC Analysis

    column SLB-5ms, 5 m x 0.05 mm I.D., 0.05 µm oven 40 °C, 70 °C/min to 300 °C carrier gas hydrogen, 80 cm/sec, 554.4 kPa injection 0.2 µL, 250:1 split inj. temp. 290 °C detector FID, 305 °C Categories Analytical Chromatography, GC Applications, Allergens Featured Industry Cosmetics, Personal Care, and...

    UHPLC Analysis of Benzoyl Peroxide from Clean & Clear® Continuous Control Acne Cleanser on Purospher® STAR RP-18e Hibar® HR

    sample preparation Clean & Clear® continuous control acne cleanser at 100 mg/mL in 30:70 acetonitrile: 5 mM potassium phosphate pH 3.0 in water. (See "Sample Prep" at Description Text) column Purospher STAR RP-18e Hibar HR, 10 cm x 2.1 mm I.D., 2.0 μm, 120Å (1.50648.0001) mobile phase [A] 5 mM potas...

    HPLC Analysis of Benzoic Acid and Related Compounds on Ascentis® RP-Amide

    column Ascentis RP-Amide, 15 cm x 4.6 mm I.D., 5 µm particles (565324-U) column temp. 35 °C mobile phase [A] water with 0.1% TFA; [B] acetonitrile; (70:30, A:B) flow rate 1 mL/min injection 10 µL detector UV, 220 nm Categories Analytical Chromatography, Preservatives Featured Industry Cosmetics, Per...

    GCxGC Analysis of Allergens in Perfume Sample 2 on SLB®-5ms x SLB®-35ms, Non-Polar to Polar Strategy

    column (2D)SLB-35ms, 5 m x 0.25 mm I.D., 0.25 µm (29804-U) column (1D) SLB-5ms, 20 m x 0.18 mm I.D., 0.18 µm (28564-U) oven (modulator) stainless steel accumulation loop measuring 20 cm x 0.71 mm O.D. x 0.51 mm I.D.; modulation period: 5.4 sec (accumulation period 4.9 sec, injection period 0.5 sec) ...

    Determination of Water Content in Cinnamon oils Using Karl Fischer Titration

    Cosmetics, Foodstuffs Cosmetics Cosmetics on an aqueous and alcoholic basis can be titrated without problems according to the Karl Fischer (KF) method. Due to the often high water concentration of the emulsions small samples are required. The accuracy of analysis is determined through exact sampling...

    HPLC Analysis of Benzalkonium Chloride in Commercial Disinfecting Wipes on Ascentis® Express HILIC

    column Ascentis Express HILIC, 15 cm x 4.6 mm I.D., 2.7 µm particles (53981-U) column temp. 35 °C mobile phase [A] 20 mM ammonium acetate; [B] acetonitrile; (10:90, A:B) flow rate 1 mL/min sample Single wipe sheet, extracted with 10 mL methanol injection 2 µL detector ESI(+), TIC 150 - 500 m/z Categ...

    GC Analysis of Methoxyphenols on SLB®-IL76i

    column SLB®-IL76i, 30 m x 0.25 mm I.D., 0.20 μm (29869-U) oven 180 °C (1 min), 20 °C/min to 240 °C (4 min) carrier gas helium, 30 cm/sec injection 1 μL, 100:1 split liner 3.5 mm I.D., split/splitless, wool packed design inj. temp. 250 °C detector MSD, full scan, m/z 50-500 MSD interface 270 °C Analy...

    UHPLC Analysis of Benzoyl peroxide from Neutrogena® Rapid Clear® stubborn acne spot gel on Purospher® STAR RP-18e Hibar® HR

    sample preparation 1 gram of Neutrogena® Rapid Clear® Stubborn Acne Spot Gel (10% benzoyl peroxide). (See "Sample Prep" at Description Text.) column Purospher STAR RP-18e Hibar HR, 10 cm x 2.1 mm I.D., 2.0 μm, 120Å (1.50648.0001) mobile phase [A] 5 mM Potassium Phosphate, pH 3.0 with phosphoric acid...