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    Search term:"cosmetic"

    99 matches found for cosmetic

    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-pheno...

    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-2...

    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-2...

    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-p...

    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-pheno...

    Determination of Water Content in Hair spray 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...

    Determination of Water Content in Polysorbate 80 (Tween 80) Using Karl Fischer Titration

    Cosmetics, Foodstuffs, Pharmaceuticals 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 throu...

    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...

    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...

    LC/MS Analysis of Anti-infectives on Ascentis® Express Biphenyl

    column Ascentis Express Biphenyl, 10 cm x 3.0 mm, 2.7 µm particles (64066-U) column temp. 35 C gradient 10 mM ammonium formate (70:30 water:acetonitrile) SW pH 4.00 flow rate 0.6 ml/min pressure 997 psi (68.7 bar) sample 300ng/mL in 85:15, water:methanol injection 5 µl detector MS, ESI+, XIC Feature...

    Determination of Water Content in Shaving foam 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 Menthol Enantiomers on α-DEX™ 120

    column alpha-DEX 120, 30 m x 0.25 mm I.D., 0.25 µm (24310) oven 110 C carrier gas helium, 20 cm/sec sample 0.5 mg/mL each component injection 1 µL, 100:1 split detector FID, 300 C Categories Analytical Chromatography, GC Applications, Alcohols, Enantiomers Featured Industry Cosmetics, Personal Care,...

    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 1...

    Determination of Water Content in Moisturizer 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 Lutein on Ascentis® Express C18

    sample preparation SPE (Solid Phase Extraction) column Ascentis Express C18, 5 cm x 2.1 mm I.D., 2.7 mum particles (53822-U) column temp. 30 C mobile phase [A] Acetonitrile; [B] Water; (90:10, A:B) flow rate 1.0 ml/min pressure 2581 psi (178 bar) sample 0.10 mg/mL of Lutein in 50/50 MeOH/THF injecti...

    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 Oil of lemmons 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...

    Determination of Water Content in Shower gel 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 Sunscreens on Ascentis® C18

    column Ascentis C18, 15 cm x 4.6 mm I.D., 5 µm particles (581324-U) column temp. 35 C mobile phase [A] water, [B] methanol, (88:12, A:B) flow rate 1 ml/min sample 50 µg/mL in mobile phase injection 10 µl detector UV, 305 nm Categories Analytical Chromatography, Ketones, Esters Featured Industry Cosm...

    TLC Analysis of Skin Cream Ingredients on HPTLC Silica gel 60 RP-18 WF254s

    sample 0.2 µl eluent [A] chloroform; [B] methanol; (95:5, A:B) migration distance 5 cm plate HPTLC pre-coated plate RP-18w F 254s (1.13124.0001) chamber normal chamber without chamber saturation Categories Analytical Chromatography, TLC Applications, steroids Featured Industry Cosmetics, Personal Ca...

    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 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 Clean...

    GC Analysis of Fragrance Compounds on SUPELCOWAX® 10

    column SUPELCOWAX 10, 30 m x 0.25 mm I.D., 0.25 µm (24079) oven 50 C (2 min), 2 C/min to 280 C (20 min) carrier gas helium, 25 cm/sec @ 200 C inj. temp. 0.2 muLsplit (100:1) detector FID Categories Analytical Chromatography, GC Applications, Volatiles Featured Industry Cosmetics, Personal Care, and ...

    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 Catego...

    GC Analysis of Antioxidants on SAC™-5

    column SAC-5, 30 m x 0.25 mm I.D., 0.25 µm (24156) oven 200 C carrier gas helium, 30 cm/sec sample 200 µg/mL each component injection 2 µL, split 100:1 detector FID, 250 C Categories Analytical Chromatography, GC Applications, Antioxidants Featured Industry Cosmetics, Personal Care, and Cleaning Pro...

    HPLC Analysis of Hydrocortisone in Topical Cream on Discovery® HS C18 after SPE using Discovery® DSC-Si

    sample preparation SPE (Solid Phase Extraction) SPE tube/cartridge Discovery DSC-Si, 500 mg/3 mL (52695-U) condition 1 mL hexane:ethyl acetate (2:1, v/v) sample addition hydrocortisone topical hand cream in hexane:ethylacetate sample addition 1 mL washing 1 mL hexane:ethyl acetate (2:1, v/v) elution...

    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...

    GC Analysis of Phthalate Esters in Perfume 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 60 C (1 min), 10 C/min to 330 C (10 min) carrier gas helium, 0.6 ml/min, constant sample cologne sample spiked at 100 µg/mL with various phthalate esters liner 4 mm ID focus liner with taper inj. temp. 250 C Analysis Note Phthalate esters a...

    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 Antioxidants on SUPELCOSIL™ LC-18

    column SUPELCOSIL LC-18, 15 cm x 4.6 mm I.D., 5 µm particles (58230-U) mobile phase [A] 5% acetic acid in deionized water; [B] acetonitrile:methanol (1:1) 70% A/30% B to 100% B, linear gradient over 10 min, hold 10min flow rate 2 ml/min injection 10muL, 20 µg/mL each antioxidant detector UV, 280 nm ...