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    Search term:"essential oils"

    290 matches found for essential oils

    Analytix 3/2016 (2 MB)

    Issue 3 • 2016 Products for ICP and ICP-MS from Glass Expansion™ Focus on Nebulizers pg. 3 Isotope-Labeled Pharmaceuticals Pharmaceutical Impurities Standards for Naproxen Analytical Standards for UV Blockers TOC and Conductivity CRMs and Certified Clean Vials from Altus Science Reference Materials ...

    (280 KB)

    CERTIFICATE OF REGISTRATION The Food Safety Management System of Sigma-Aldrich Chemie GmbH a business of Merck KGaA at Riedstrasse 2, 89555 Steinheim, Germany has been assessed and complies with the requirements of FOOD SAFETY SYSTEM CERTIFICATION 22000 Certification scheme for food safety systems i...

    AIB Certification Milwaukee (321 KB)

    Certificate of registration The Food Safety Management System of Sigma-Aldrich Co., LLC At 230 S. Emmber Lane Milwaukee, WI 53233 Has been assessed and complies with the Requirements of FSSC 22000 Certification scheme for food safety systems including ISO 22000:2005 “"ISO/TS22002-1” and additional F...

    INCORPORATING IONIC LIQUID PHASES INTO GC AND GC×GC METHODS (2 MB)

    Philip Marriott & Team School of Chemistry, Monash University • Australian Centre for Research on Separation Science, • ARC Discovery Outstanding Researcher Award INCORPORATING IONIC LIQUID PHASES INTO GC AND GC×GC METHODS May , 2014 Our Ionic Liquid & SPME Studies SPME of various aroma and odorant ...

    rep25 (1 MB )

    sigma-aldrich.com A Technical Newsletter for Analytical & Chromatography TheReporter Reporter Europe - Issue 25, March 2007, International HPLC/LC Stationary Phase Selectivity in ANP/HILIC Separations .............. 3 30% OFF for New Ascentis Phenyl or Silica HPLC Column ... 5 Sample Handling Extrac...

    Bulletin 877 (607 KB )

    Chiral Cyclodextrin Capillary GC Columns A Selection Guide to DEX TM Columns Stable derivatized cyclodextrin stationary phases for high resolution analyses of optical and positional isomers. Low bleed, wide temperature range (30°C - 240/250°C) Individually tested with phase-specific test mixes to gu...

    Application Note 114 (154 KB )

    Application Note 114 Chiral Gas Chromatography of Citronellal, b-Citronellol and Linalool on a b-DEX™ 225 Column Our β-DEX 225 column separates many optical isomers that are poorly separated on other chiral columns. Using this column, we observed complete separation of the isomers of three important...

    TheReporter 24.5 (1 MB )

    Liquid Chromatography Stationary Phase Selectivity in ANP/HILIC Separations .............. 6 Retention and Selectivity in ANP Chromatography: Temperature Effects Using Polar Stationary Phase Chemistries .................... 7 Solid Phase Extraction Improve Sample Prep Selectivity through 96-well SPE...

    Application Note 079 (148 KB )

    Application Note 79 Analyzing Citrus Oil Using SPB™-5 and SPB-Octyl Capillary GC Columns 1. α-Pinene 2. Camphene 3. β-Pinene 4. Myrcene 5. α-Phellandrene 6. 1,4-Cineole 7. α-Terpinene 8. p-Cymene 9. d-Limonene 10. γ-Terpinene SPB-5 1 4 2 3 5 6 7 8 9 10 11 13 14 15 18 19 17 16 12 20 21 22 23 24 25 26...

    (2 MB)

    Food & Beverage Simplify Sample Prep, and Increase Speed and Sensitivity Analytical testing is used 1) to determine nutritional value and quality and 2) to ensure food safety and security. We have developed and continue to develop, specialized products that allow food analysts to simplify sample pre...

    (2 MB)

    Fragrance Technical Application Guide PROVIDING SOLUTIONS FOR A SAFE AND FRAGRANT WORLD 2 Fragrance and Technical Application Guide THE FRAGRANCE INDUSTRY PLAYS A KEY ROLE IN OUR DAILY LIVES One common element to all involved is a devotion to supplying safe and deliciously smelling products to consu...

    Product Information T412130 (76 KB )

    Product Specification Supelclean TM Solid Phase Extraction Tubes 912-0348 912-0349 Silica-Based Packing – 40µm particles, 60Å pores, polyethylene frits (except where noted). 1mL 3mL 3mL 6mL 6mL 6mL 12mL 20mL 60mL 100mg 500mg 500mg 500mg 500mg 1g 2g 5g 10g Description pk/108 pk/27 pk/54 pk/20 pk/30 p...

    Rep13 (944 KB )

    Sample Preparation Improvements in SPME Reproducibility GC Gas Delivery, Gas Purifiers (OMI) Standards & Reagents Derivatization of Airborne Isocyanates HS F5 Column: Buy one Column and get a FREE USB Memory Stick (See Page 5) FREE Mug - Sample Preparation Survey (See Page 13) Fast GC: Analysis of O...

    Supelco Reporter Volume 32.1 (5 MB)

    pg. 12 FAST EXTRACTION AND LOW LEVEL DETECTION OF CHLORAMPHENICOL IN SHRIMP pg. 22 ONLINE SPE/LC-MS METHOD FOR THE RAPID ANALYSIS OF THYROID HORMONES IN PLASMA pg. 3 Faster Protein and Peptide Liquid Chromatography Applications Newsletter Volume 32.1 sigma-aldrich.com/analytical Reporter 32.1 | 2 Ta...

    Reporter Europe - Faster Protein and Peptide Liquid Chromatography (5 MB)

    Applications Newsletter Volume 57, May 2014 pg. 12 FAST EXTRACTION AND LOW LEVEL DETECTION OF CHLORAMPHENICOL IN SHRIMP pg. 22 ONLINE SPE/LC-MS METHOD FOR THE RAPID ANALYSIS OF THYROID HORMONES IN PLASMA pg. 3 Faster Protein and Peptide Liquid Chromatography sigma-aldrich.com/analytical Reporter 57 ...

    Bulletin 910 (661 KB )

    Bulletin 910 595 North Harrison Road Bellefonte, PA 16823-0048 USA T elephone 800-247-6628 ● 814-359-3441 Fax 800-447-3044 ● 814-359-3044 email: supelco@sial.com sigma-aldrich.com/supelco sigma-aldrich.com/supelco Introduction Solid phase extraction (SPE) is an increasingly useful sample preparation...

    Guide to Solid Phase Extraction (318 KB )

    Bulletin 910 T197910 © 1998 Sigma-Aldrich Co. Introduction Solid phase extraction (SPE) is an increasingly useful sample preparation technique. With SPE, many of the problems associated with liquid/liquid extraction can be prevented, such as incomplete phase separations, less-than-quantitative recov...

    IFRA Compliant Ingredients Application Guide (1 MB)

    1 Application Guide: IFRA Compliant Ingredients Application Guide: IFRA Compliant Ingredients FIFTH EDITION SAFE TO SAY, HE’LL TAKE TIME TO SMELL THE FLOWERS. 2 Flavors and Fragrances THE FRAGRANCE INDUSTRY PLAYS A KEY ROLE IN OUR DAILY LIVES. One common element to all involved is a devotion to supp...

    Reporter Reprint T295034 (156 KB )

    SUPELCO Vol. 14, No. 4  1995 5 TheReporter Reprinted from Volume 14, No. 4, 1995 T295034 © 1999 Sigma-Aldrich Co. For more information, or current prices, contact your nearest Supelco subsidiary listed below. T o obtain further contact information, visit our website (www.sigma-aldrich.com), see the...

    Evaluation of Mountain Air (Paneveggio Park, Italy) using SPME-GC/MS (577 KB )

    SPME IN THE DETECTION OF BioVOCs: MONITORING THE PANEVEGGIO NATURAL PARK Loris Tonidandel 1, Ettore Sartori 2 and Pietro Traldi 1 1CNR-ISTM Corso Stati Uniti, 4 35100 Padova (Italy) mail: pietro.traldi@adr.pd.cnr.it 2Parco Naturale Paneveggio Pale di San Martino, 38054 Tonadico (TN) Italy Daniel Vit...

    SLB®-35ms Intermediate Polar MS-Grade Capillary GC Columns (948 KB)

    Our MS-Grade columns are designed for GC and GC/MS analysts who require low bleed, inert, durable, and consistently performing capillary GC columns. Their use can help achieve low detection limits, easy mass spectral identification, less instrument downtime, good resolution, short analysis times, an...

    T216004 (8 MB)

    pg. 3 Headspace SPME-GC/MS Analysis of Terpenes in Hops and Cannabis Applications Newsletter Volume 34.4 pg. 14 LC/MS/MS METHOD FOR DETERMINATION OF GLYPHOSATE, AMPA, AND GLUFOSINATE IN CEREALS pg. 26 REACHING THE “PEAK” OF RECOVERY: IMPROVING ANTIBODY SEPARATIONS WITH THE INCLUSION OF ORGANIC ALCOH...

    Bulletin 925

    T199925B © 2001 Sigma-Aldrich Co. Table of Contents Application Area Page Books 1 Foods 1 Polymers and Coatings 12 Natural Products 12 Pharmaceuticals 16 Biological Matrices 16 Toxicology 16 Forensics 29 Environmental Water 30 Pesticides 44 Soil 48 Air 51 Theory and Technique 53 Supelco SPME Publica...

    rep20 (1 MB )

    For more information, request Separation Problem Solving Through Selectivity - Sample Preparation NEW Metal Fiber Assemblies for SPME Provide Higher Mechanical Stability GC SLB-5ms: A New Generation of GC Capillary Columns Protecting Capillary GC Columns Standards & Reagents Air Monitoring Standards...

    rep31 (1 MB )

    1 HPLC/LC Ascentis Express ®: Improved USP Method for Lansoprazole 3 Preparative HPLC: Contract Services 5 Sample Handling Assessing the Benefits of a “Hike in the Mountains” Using SPME 8 Extraction of Amphetamine and Related Drugs using SupelMIP ™ SPE 11 GC Fast GC Analyses of Volatiles 15 Standard...

    chiraldex_handbook (344 KB )

    CHIRALDEX  Capillary GC Columns Table of Contents Page Introduction 01 General Characteristics 01 Specifications 02 LC vs. GC 02 Choosing the Right Column 04 CHIRALDEX Trifluoroacetyl Derivatives: A-TA, B-TA, G-TA 06 CHIRALDEX Dimethyl Derivative: B-DM, G-DM 09 CHIRALDEX Dipropionyl Derivatives: B-...

    SPME Applications Guide (2 MB)

    SPME Applications Guide The SPME Applications Guide is a bibliographic resource of published technical articles about solid phase microextraction. With the continued growth of SPME, and its expansion into environmental, food, forensic, and other fields, we recognize the need for an organized bibliog...

    Reporter 26.1 (2 MB )

    Reporter Volume 26.1 Breathing the mountain air of the Paneveggio Natural Park in the Dolomite region of Italy Assessing the Benefits of a “Hike in the Mountains” Using SPME • Liquid Chromatography • Sample Handling • Gas Chromatography • Standards • Accessories 2 sigma-aldrich.com/analytical Volume...

    Rep16 (1 MB )

    34978 Water with 0.1% TFA 2.5 L 13.80 34976 Acetonitrile with 0.1%R TFA 2.5 L 38.00 34974 Methanol with 0.1% TFA 2.5 L 13.30 34673 Water with 0.1% formic acid 2.5 L 13.80 34668 Acetonitrile with 0.1% formic acid 2.5 L 38.30 34675 Water with 0.1% acetic acid 2.5 L 13.80 34678 Acetonitrile with 0.1% a...

    Aldrichimica Acta Vol 35 No. 1 (7 MB )

    VOL . 35, NO . 1 • 2002 CHEMISTS HELPING CHEMISTS DEDICATED TO PROFESSOR H. C. BROWN ON HIS 90 TH BIRTHDA Y Herbert C. Brown and Aldrich Asymmetric Reduction of Ketones and Ketimines Pinane-Based “Allyl”boranes For competitive quotes on larger quantities contact www.sigma-aldrich.com/safc. These Boc...