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Gas Chromatography column guide (1 MB)

Performance Reliability Service Achieve Optimal Method Performance GC Column Selection Guide sigma-aldrich.com/gc GC Column Selection Guide Supelco began in 1966 in a tiny garage in a small central Pennsylvania (USA) town manufacturing packed gas chromatography (GC) columns. By 1977, glass capillary...

Manual Methods for color measurements - Spectroquant® Prove (6 MB)

Manual Methods for color measurements Spectroquant ® Prove 2 Spectroquant ® Prove - Methods for color measurements Release 01/2019 3 Spectroquant ® Prove - Methods for color measurements Release 01/2019 Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 5 I Colorimetry . . . . ....

White Paper: Improving Solubility (602 KB)

The Life Science business of Merck KGaA, Darmstadt, Germany operates as MilliporeSigma in the U.S. and Canada. Improving solubility – a close look at available approaches Authors: Adela Kasselkus, Eva Schornick, Mengyao Zheng, Finn Bauer, Dieter Lubda Introduction The need to improve the solubility ...

Sigma-Aldrich 2012 Annual Report (10 MB)

SAFC Commercial Enabling Science to Improve the Quality of Life Research Applied 2012 Annual Report Company Results 2012 1997 Research Biochemicals International Acquired 1993 Supelco Acquired 1994 $850M Sales 5,500 Employees 24 Countries 76,000 Products 1990s New SAF Division Launched (Becomes SAFC...

Analytix 5, 2014 (1 MB)

Issue 5 • 2014 Analytix • Aroma Analysis of Whisky • DNA Standards for Species Identification • Isocyanate Detection • New Pesticide Standards • Ph.Eur. & USP Dissolution Media • NBOMe Phenethylamine CRMs • Reagents and Standards for ICP-OES • Water Monitoring in Petro-chemicals Flavor Analysis of A...

Empore Application Bibliography (729 KB )

Empore Bibliography by Publication Code Article Code Title of Publication D001 Application of the Empore Solid-Phase Extraction Membrane to the Isolation of Drugs from Blood. I. Amiodarone and Desethylamiodarone Source(s): Author(s): Therapeutic Drug Monitoring Volume: 13 Page(s): 244-250 Date: 1991...

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...

Supelco Reporter, Volume 33.4 (4 MB)

Applications Newsletter Volume 33.4 pg. 26 PASSIVE AIR SAMPLING TUBES FOR US EPA METHOD 325 pg. 3, 23, 28 Emergence of Three New GC Columns pg. 11 HIGH RESOLUTION AND HIGH EFFICIENCY SEPARATIONS OF MABS AND ADCS USING PROTEOMIX HIC COLUMNS SILICA COLUMN sigma-aldrich.com/analytical Reporter 33.4 | 2...

Emergence of Three New GC Columns (4 MB)

Chromatography Applications Newsletter Volume 62 pg. 23 PASSIVE AIR SAMPLING TUBES FOR US EPA METHOD 325 pg. 3, 19, 24 Emergence of Three New GC Columns pg. 9 HIGH RESOLUTION AND HIGH EFFICIENCY SEPARATIONS OF MABS AND ADCS USING PROTEOMIX HIC COLUMNS sigma-aldrich.com/analytical Reporter 62 | 2 Rep...

Gas Chromatography tools (4 MB)

Gas Chromatography tools for your workflow The life science business of Merck KGaA, Darmstadt, Germany operates as MilliporeSigma in the U.S. and Canada. Comprehensive solutions to support the evolution of GC TECHNOLOGY PROFICIENCY TESTING SAMPLE PREPARATION AND COLLECTION GC ANALYSIS DETECTION AND ...

Cell Culture Manual (33 MB)

75558_CCM_Cover_r5_CORR.indd 1 4/25/2011 1:08:07 PM Biointegrity. Cultivating healthy cell growth means depending on a quality mix of media, sera and reagents. That’s why we offer an unparalleled line of cell culture solutions. From classical and specialty media, to fetal bovine serum, supplements a...

White Paper: Improving Solubility (612 KB)

The life science business of Merck operates as MilliporeSigma in the U.S. and Canada. Improving solubility – a close look at available approaches Authors: Adela Kasselkus, Eva Schornick, Mengyao Zheng, Finn Bauer, Dieter Lubda Introduction The need to improve the solubility of active pharmaceutical ...

(4 MB)

MICRO- AND NANOFABRICATED BIOMATERIALS FOR THE STUDY OF CELLS AND MICROTISSUES INJECTABLE HYDROGELS FOR CELL DELIVERY AND TISSUE REGENERATION THREE-DIMENSIONAL PRINTING OF TISSUE ENGINEERING SCAFFOLDS TAILORING COLLAGEN-BASED MATRICES FOR REGENERATIVE MEDICINE AND TISSUE ENGINEERING Biomaterials for...

SPME Applications Guide (0 KB)

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...

Appl report 283 (17 KB )

sigma-aldrich.com/supelco Application Report 283 Analysis of Phenolic Antioxidants Using Ascentis ™ C8 Antioxidants are compounds that are added to food and other products to prevent rancidity. The suitability of the Ascentis C8 for the separation of ten phenolic antioxidants is demonstrated. Analyt...

Appl report 288 (18 KB )

sigma-aldrich.com/supelco Application Report 288 Analysis of Phenolic Antioxidants Using Ascentis ™ RP-Amide Antioxidants are compounds that are added to food and other products to prevent rancidity. The suitability of the Ascentis RP-Amide for the separation of ten phenolic antioxidants is demonstr...

MAK257 - Bulletin (125 KB)

Tyrosinase Inhibitor Screening Kit (Colorimetric) Catalog Number MAK257 Storage Temperature –20 C TECHNICAL BULLETIN Product Description Tyrosinase or polyphenol oxidase (EC 1.14.18.1) is an oxidoreductase that participates in the biosynthesis of melanin, a ubiquitous biological pigment found in hai...

Analysis of Glycols from Drinking Water and Seawater Using ENVI-Carb Plus SPE and GC-FID (497 KB)

© 2012 Sigma-Aldrich Co. All rights reserved. sigma-aldrich.com/analytical Analysis of Glycols from Drinking Water and Seawater Using ENVI-Carb Plus SPE and GC-FID Michael Ye, K. K. Stenerson, W. R. Betz, M.J. Keeler ExTech 2014 1 © 2012 Sigma-Aldrich Co. All rights reserved. 2 Agenda • Introduction...

51414 - Datasheet (199 KB)

Page 1 of 2 51414 Tryptic Soya Agar with Polysorbate 80 and Lecithin (Microbial Content Test Agar; Tryptone Soya Agar with Polysorbate 80 and Lecithin; TSA with Polysorbate 80 and Lecithin; CASO Agar with Polysorbate 80 and Lecithin; Soybean Casein digest Agar with Polysorbate 80 and Lecithin) Trypt...

Chitosan (48 KB )

Chitosan – A Technologically Important Biomaterial Chitin is the second most abundant natural polymer in the world after cellulose. Upon deacetylation, it yields the novel biomaterial Chitosan, which upon further hydrolysis yields an extremely low molecular weight oligosaccharide (see Scheme 1). Chi...

T3813 - Datasheet (53KB)

TRYPTONE SOYA AGAR WITH LECITHIN AND TWEEN 80 Product Number T3813 Product Description Tryptone Soya Agar with Lecithin and Tween 80 is used in RODAC (Replicate Organism Detection and Counting) 1 for the detection and enumeration of microorganisms, to determine the efficiency of sanitation of contai...

P3130 - Product Information Sheet (27 KB)

Propyl gallate Product Number P 3130 Store at Room Temperature Product Description Molecular Formula: C 10H12O5 Molecular Weight: 212.2 CAS Number: 121-79-9 Melting Point: 150 °C 1 pKa: 8.11 1 λmax: 272 nm (1 M HCl) Extinction Coefficient: E mM = 10.2 (272 nm, 1 M HCl) Partition Coefficient: 32 (oct...

MAK010 - Bulletin (87 KB)

D-Sorbitol Colorimetric Assay Kit Catalog Number MAK010 Storage Temperature –20 °C TECHNICAL BULLETIN Product Description D-Sorbitol is a sugar alcohol that is commonly used as a sugar substitute. It occurs naturally and is also produced synthetically from glucose. The food industry uses D-sorbitol ...

Analytix Reporter Issue 5 2019 (4 MB)

Analytix Reporter ISSUE 5 | 2019 The life science business of Merck KGaA, Darmstadt, Germany operates as MilliporeSigma in the U.S. and Canada. Oregon List of Pesticides in Cannabis using QuEChERS Pyrrolizidine Alkaloid Reference Materials New Food Matrix Materials from the JRC Towards Safer Seafood...

Analytix Reporter Issue 5 2019 (4 MB)

Analytix Reporter ISSUE 5 | 2019 The life science business of Merck operates as MilliporeSigma in the U.S. and Canada. Oregon List of Pesticides in Cannabis using QuEChERS Pyrrolizidine Alkaloid Reference Materials New Food Matrix Materials from the JRC Towards Safer Seafood – New Marine Toxin CRMs ...

A2024 - Product Information Sheet (12 KB)

A2024 Page 1 of 2 09/03/96 - MAC APRAMYCIN SULFATE Sigma Prod. No. A-2024 CAS NUMBER: 65710-07-8 PHYSICAL PROPERTIES: Appearance: Faint yellow powder Molecular formula: C 21H41N5O11 • x H2SO4 Molecular weight: 539.58 (free base) DESCRIPTION: Apramycin is an aminoglycoside antibiotic produced by a st...

Parabens on Ascentis Express C18 (646 KB)

SigmaAldrich.com The life science business of Merck KGaA, Darmstadt, Germany operates as MilliporeSigma in the U.S. and Canada. 0.0 5.0 10.0 15.0 20.0 25.0 Absorbance @ 252nm Time, min. 7 Conditions: column: Ascentis® Express C18, 10 cm x 4.6 mm I.D., 2.7 µm mobile phase: [A] Water; [B] Methanol gra...

11746081001 - Bulletin (207 KB)

sigma-aldrich.com 1. Introduction Assays of nitrite and nitrate have become increasingly important in recent years for health care and economic reasons. While nitrate is an essential plant nutrient, it consti-tutes a risk to human health because it plays a part in the formation of methemoglobin and ...

Application Note 117 (137 KB )

Application Note 117 High-Resolution Separations of Nonionic Surfactant Oligomers, Using Normal Phase HPLC Figure A. Nonionic Surfactant Oligomers by Normal Phase HPLC Column: SUPELCOSIL LC-Diol, 25cm x 4.6mm ID (5µm particles) Cat. No.: 58201 Mobile Phase: A = hexane:methylene chloride, 95:5 B = he...

T5705 - Datasheet (88KB)

Terrein from Aspergillus terrreus Catalog Number T5705 Storage Temperature –20 °C CAS RN 582-46-7 Synonyms: (+)Terrein, Terrain Product Description Molecular formula: C8H10O3 Molecular weight: 154.06 Terrein is a bioactive fungal metabolite reported to show plant growth inhibition and antibacterial ...