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110 matches found for cosmetic

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 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...

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...

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...

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 10µL, 20 µg/mL each antioxidant detector UV, 280 nm C...

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 Featur...

TLC and HPTLC Plates with Concentrating Zone

Quick and Easy Application of Large Sample Volumes Our concentrating zone plates are based on the different properties of two silica adsorbents: an inert, large-pore concentrating adsorbent where the samples are applied; and a selective separation layer. Independent of the shape, size or position of...

Determination of Water Content in Miglyol, Neutral oil Using Karl Fischer Titration

Cosmetics, 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 through exact sam...

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...

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...

GCxGC Analysis of Allergens in Perfume Sample 1 on SLB®-5ms x SLB®-35ms, Non-Polar to Polar Strategy

column (1D) SLB-5ms, 20 m x 0.18 mm I.D., 0.18 µm (28564-U) column (2D) SLB-35ms, 5 m x 0.25 mm I.D., 0.25 µm (29804-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) ...

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 este...

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 inject...

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...

HPLC Analysis of Benzoic Acid and Sorbic Acid on Ascentis® Express RP-Amide ("Green" Mobile Phase Conditions)

column Ascentis Express RP-Amide, 5 cm x 3 mm I.D., 2.7 µm particles (53916-U) column temp. 55 °C mobile phase [A] 10 mM ammonium phosphate monobasic, pH 2.5 with phosphoric acid; [B] ethanol; (75:25, A:B) flow rate 0.4 mL/min pressure 138 bar (2000 psi) column, 248 bar (3600 psi) total sample 50 µg...

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...

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...

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...

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...

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...

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...

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...

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,...

HPLC Analysis of Phenolic Antioxidants on Ascentis® C8

column Ascentis C8, 15 cm x 4.6 mm I.D., 5 µm particles (581424-U) column temp. 30 °C mobile phase [A] 5% acetic acid; [B] (50:50) methanol:acetonitrile gradient 30 to 100% B in 10 min; held for 5 min flow rate 2.0 mL/min sample as indicated in 50:50 acetonitrile:2-propanol injection 10 µL detector ...

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...

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...

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...

GC Analysis of Allergens in Perfume on SLB®-5ms (10 m x 0.10 mm I.D., 0.10 μm), Fast GC Analysis

column SLB-5ms, 10 m x 0.10 mm I.D., 0.10 µm (28465-U) oven 40 °C, 50 °C/min to 320 °C carrier gas hydrogen, 81.5 cm/sec constant sample neat perfume injection 0.2 µL in the split mode (500:1) inj. temp. 320 °C detector FID, 320 °C Categories Analytical Chromatography, GC Applications, Allergens Fea...

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...

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...