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- FAQ
- >> Flash Cartridges
- Flash cartridges cleaning and use
- What is Flow Chemistry?
- What is Microwave Chemistry?
- What is the "Catch and Release" technique?
- What is Endcapping?
- Monomeric vs. polymeric C18
- >> Thin Layer Chromatography
- How to cut TLC plates on glass support?
- How to read a chromatogram?
- Stains for TLC Plates
- Streaking or elongated spot rather than a defined spot?
- Unable to see any spots on the TLC?
- How to monitor a reaction in presence of similar Rfs for both starting materials and product of interest?
- What is the co-spotting method?
- What to do if compounds stay too close to the baseline or solvent front?
- What type of TLC plate to choose?
- What type of TLC backing to choose?
- How to switch to SiliCycle TLC Plates
- >> HPLC
- HPLC Columns Use Instructions
- What to do when backpressure increases?
- How do I determine the void volume in HPLC?
- Why should I use a guard column with my analytical or preparative column?
- Ideal injection volume vs column dimension
- What happens if my sample solvent is stronger than my mobile phase?
- Can I get a sharper peak by injecting my sample in a weaker injection solvent?
- How much sample can I inject on my LC column?
- What size threads are on the end fittings of my HPLC column?
- Why do most users privilege PEEK vs stainless steel fittings and tubing?
- What is the internal diameter of my LC tubing?
- Can I operate my column with a 100% aqueous mobile phase?
- How can the column performance be checked?
- How can the columns be cleaned or regenerated?
- What is the appropriate flow rate for the different column dimensions?
- What is the difference between dead volume and dwell volume?
- What is the shipping solvent for your HPLC columns?
- When should I use a gradient?
- What are the common buffers used in HPLC?
- Why is my chromatogram showing peak tailing, ghost peaks, fronting peaks, split peaks / shoulder peaks or rounded peaks?
- Why is it difficult to get reproducible retention times in normal phase chromatography?
- What is the difference between a monomeric and polymeric C18 bonded phase?
- How should the columns be stored?
- How to scale-up a column for preparative isolation/purification from analytical conditions?
- Should I run a gradient from 5-95% organic solvent or from 0-100%?
- How are column efficiency, peak asymmetry factor, tailing factor and resolution calculated?
- What to do when there are no peaks, small peaks or negative peaks?
- What to do when there is no flow?
- What is the cause of variable retention times, loss of resolution or selecticity change?
- What is the cause of baseline drift or noise?
- What is HPLC?
- >> Metal & Organic Scavengers
- What is the thermal stability of the SiliaMetS?
- What is the molecular loading and how do you determine the molecular loading of a SiliaMetS metal scavenger?
- What are metal scavengers?
- How to calculate how much metal scavenger to use?
- How to choose a metal scavenger?
- Why Choose Silica-Based vs Polymer-Based Scavengers?
- How to purify your API from organic contaminants?
- What is a supported scavenger?
- What quantity of scavenger should be used?
- At what temperature should the scavenger be used?
- What solvents should be used with our scavengers?
- At what pH should the scavenging in aqueous solution be performed?
- Reaction time vs scavenger quantity
- >> Functionalized Silica
- What is the difference between silica and polymer?
- How should functionalized silica be handled?
- What are the storage conditions for the functionalized silica?
- What is a supported reagent?
- Won’t the supported reagents leach since they are adsorbed and not bound?
- Can functionalized silica be packed?
- Are all functionalized products endcapped?
- Does functionalized silica dissolve in methanol or any other standard organic solvents?
- Can different functionalized silicas be mixed?
- Why is the level of fines important?
- >> Solid Phase Extraction (SPE)
- How do you determine the quantity of silica required in a SPE tube?
- Are custom formats available?
- Silica Selection Guide
- What is Solid Phase Extraction (SPE) ?
- >> Silica Analysis Descriptions
- Surface Area and Porosity Analysis
- Total Trace Metal Analysis
- pH Analysis
- Particle Size Distribution Analysis
- Water Content Analysis
- Elemental Analysis of Organic Compounds
- Contact Us
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- SiliaBond - Functionalized Silica Gels
- General Portfolio
- SiliaBond Kits
- SiliaBond for Organic Synthesis
- Oxydations
- Amide Coupling
- Reductive Aminations
- Other Reagents
- Nitro-Aldol (or Henry) Reactions
- Acylation & Esterification Reactions
- Alkylation & Etherification Reactions
- Selection Guide
- Ether Formation
- Friedel-Crafts Alkylation
- Knoevenagel Condensation
- Urea Synthesis
- Michael Addition
- Deprotection of Aromatic Ethers
- Fmoc, Bsmoc Deprotection of Amino Acids
- SiliaBond Organic Scavengers
- Genotoxic Impurities Scavengers
- Electrophile Scavengers
- Nucleophile Scavengers
- Organic Scavengers Kits
- Selection Guide
- SiliaBond Acids, Bases & Others
- Acids
- Bases
- Other SiliaBond
- Linkers
- Selection Guide
- SiliaBond Chromatographic Phases
- Reversed-Phases
- Normal Phases
- Ion Exchangers
- Anion Exchangers
- Cation Exchangers
- Fluorinated Phases
- SiliaMetS Metal Scavengers
- SiliaSphere - Spherical Silica Gels
- Analytical Chromatography
- Bare Silica
- 60 Å
- 80 Å
- 100 Å
- 300 Å
- 1000 Å
- Bonded Silica
- Tosic Acid (SCX)
- C18
- C8
- C4
- Amine (WAX)
- Cyano (CN)
- Most Popular Bonded Phases
- C1
- Phenyl (PHE)
- TMA Acetate (SAX-2)
- TMA Chloride (SAX)
- Urea
- Carboxylic Acid (WCX)
- Diol
- Pyridine
- Pentafluorophenyl (PFP)
- Preparative Chromatography
- Bare Silica
- 60 Angstroms
- 70 Angstroms
- 90 Angstroms
- 100 Angstroms
- 120 Angstroms
- 300 Angstroms
- 500 Angstroms
- 800 Angstroms
- 1000 Angstroms
- 200 Angstroms
- 50 Angstroms
- Bonded Silica
- C18
- C8
- Amine (WAX)
- Carboxylic Acid (WCX)
- Other phases
- SiliaSep - Flash Cartridges
- Portfolio
- SiliaSep PREMIUM
- SiliaSep
- Normal Phases
- Reversed-phases
- Ion Exchange Phases
- Metal Scavengers
- SiliaSep OT
- SiliaSep Accessories
- Cartridges Characteristics
- SiliaSep Equivalents to Grace Reveleris Flash Cartridges
- Sample Preparation Products
- SPE Accessories
- 12-Positions SPE Vaccum Manifold
- 24-Positions SPE Vaccum Manifold
- SiliaPrep - Silica-based SPE
- Reversed-Phases (Non-Polar)
- Normal Phases (Polar)
- Ion Exchange Phases (IEX)
- Mixed-Mode Phases
- Fluorinated Phases
- Metal Scavengers
- Specialty Phases
- Kits
- SiliaPrepX - Polymeric SPE
- HLB (Hydrophilic-Lipophilic Balance)
- DVB (Polystyrene-Divinylbenzene Copolymer)
- SCX (Strong Cation Exchanger)
- SAX (Strong Anion Exchanger)
- WCX (Weak Cation Exchanger)
- WAX (Weak Anion Exchanger)
- Determination of the Optimal SiliaPrepX Polymeric Phase by a Simple & Logical Method
- Kits
- SiliaQuick QuEChERS - Original QuEChERS
- SiliaQuick QuEChERS - Buffered AOAC 2007.01
- SiliaQuick QuEChERS - Buffered EN 15662
- SiliaPrep Equivalents to Grace SPE
- Suggested SPE Protocols for Various Analytes & Matrices
- Aflatoxins
- Barbiturates
- Biomarkers of Alcohol Consumption
- Caffeine, Theophylline & Theobromine
- Fatty acid methyl esters
- Fermentable Sugars
- Halocetic Acids
- Lipids
- Metal Ions
- Polycyclic aromatic hydrocarbons (PAHs)
- Parabens
- Polychlorinated biphenyl (PCB)
- Penicillins
- Per- and Polyfluoroalkyl Substances (PFASs)
- Phthalates
- Steroids
- Sympathomimetic Amines
- Synthetic Dyes & Metabolites
- Topical anesthetics
- Vitamin B3 & Metabolites
- Aminoglycoside antibiotics
- Benzodiazepines
- Buprenorphine & Norbuprenorphine
- Cocaine and Metabolites
- Explosives
- Fluoroquinolones
- Hormones
- Melamine & analogues (Melamine, Ammeline & Ammelide)
- MMA & Succinic Acid
- Opiates
- Organophosphates
- Peptides (angiotensins)
- Phenols
- Sulfonamides
- Tetracyclines
- Tobacco
- Triazoles
- Urinary Catecholamines
- Vitamin B7
- Melamine & analogues (Cyanuric Acid)
- Peptides (Oxytocin, Vasopressin)
- SiliCycle Low Pressure Chromatography Products
- Scientific Publications
- SiliaPlate - TLC Plates
- TLC Practical Guide
- TLC Visualization Methods
- TLC Plates Selection Guide
- Portfolio
- Accessories
- Aluminum Backed TLC Plates
- Analytical TLC
- Bare Silica
- Reversed-phase
- Normal Phase
- Other Sorbents
- Analytical HPTLC
- Glass Backed TLC Plates
- Preparative TLC
- Bare Silica
- Reversed-Phase
- Other Sorbents
- Normal Phase
- Analytical TLC
- Bare Silica
- Reversed-Phase
- Normal Phase
- Other Sorbents
- Analytical HPTLC
- Bare silica
- Other Sorbents
- Normal Phase
- Reversed-Phase
- Plastic Backed TLC Plates
- Bare Silica
- Other Sorbents
- Difference between TLG-R10014B-323 and TLG-R10014BK-323 SiliaPlate TLC Plates
- SiliaChrom Plus - HPLC
- Portfolio
- HPLC Guard Cartridges
- Bare Silica
- Reversed-phases
- Normal Phases
- Ion Exchange Phases
- Scavengers
- HPLC Guard Cartridges Holders
- HPLC Columns
- Bare Silica
- Reversed Phases
- Ion Exchange Phases
- Normal Phases
- SiliaChrom Plus
- SiliaChrom dt
- Selection Guide by Manufacturer
- HPLC Column Packing Services
- SiliCycle Scavenging Solutions
- Scavenging Solutions Documentation
- Video: Metal Scavenging using SiliaMetS bulk functionalized silica
- SiliaMetS E-PAK Cartridges for Large Scale Metal Purification Processes
- PGI Scavenging
- Membrane Filter Nylon
- Membrane Filter PVDF
- Membrane Filter PTFE
- Membrane Filter PES
- Membrane Filter Regenerated Cellulose (RC)
- SiliCycle - Determining the Perfect Syringe Filter
- SiliCycle - Syringe Filters Chemical Compatibility Chart
- Syringe Filter Nylon
- Syringe Filter PVDF
- Syringe Filter PTFE
- Syringe Filter PES
- Syringe Filter Regenerated Cellulose (RC)
- SiliaFlash - Irregular Silica Gels
- Advantages over competitors' silica
- Silica Selection Guide
- Portfolio
- By Particle Size
- 40 - 63 Microns
- 60 - 120 Microns
- 60 - 200 Microns
- 75 - 250 Microns
- 105 - 175 Microns
- 120 - 200 Microns
- 500 - 1000 Microns
- 200 - 500 Microns
- 250 - 500 Microns
- 15 - 40 Microns
- 800 - 1200 Microns
- 75 - 150 Microns
- 150 - 250 Microns
- 20 - 45 Microns
- 5 - 20 Microns
- By Pore Diameter
- 30 Angstroms
- 40 Angstroms
- 60 Angstroms
- 90 Angstroms
- 150 Angstroms
- 300 Angstroms
- Silica Gels
- SiliCycle Products for Cannabis Analysis
- E-PAK Purification Cartridges
- Case Study
- Features & Benefits
- [VIDEO] E-PAK Purification Cartridges
- E-PAK for Chromatography Columns
- Portfolio
- Lab Scale Cartridges
- 1 cm cartridges
- 10 cm cartridges
- 25 cm cartridges
- Pilot Scale Cartridges
- 12.5 cm cartridges
- 25 cm cartridges
- Commercial Scale Cartridges
- 50 cm cartridges
- 100 cm cartridges
- Cartridge Housings
- Large Scale
- Lab Scale
- Complete Range of Functionalized Silicas
- Many foods, like yogurts, now contain probiotics. Is it worthwhile to consume a probiotic supplement?
- What are bacteriocins? Why are they so interesting?
- What are probiotics?
- Can I take probiotics every day?
- What are the more specific benefits of probiotics on health?
- When should I take probiotics?
- Can I leave probiotics out of the fridge?
- Is there an interaction between probiotics and drugs?
- If I am pregnant, can I take probiotics?
- What is the best liquid to drink the diluted powder of probiotics?
- Can probiotics be taken during antibiotic treatment?
- What are the criteria for selecting a probiotic?
- Is it wrong to take probiotics if I have dairy allergies or lactose intolerance?
- SiliaCat - Heterogeneous Catalysts
- Portfolio
- SiliaMetS - Metal Scavengers
- Procedure Guide
- Metal Scavengers Selection Guide
- Case Studies
- Osmium Scavenging with SiliaMetS
- Tin Scavenging with SiliaMetS Cysteine & TAAcONa
- A GlaxoSmithKline case study
- Ruthenium Scavenging with SiliaMetS
- Multiple Metal Scavenging with SiliaMetS
- In situ Speciation of Dissolved Inorganic Antimony in Surface Waters & Sediment Porewaters
- Discovery and Synthesis of a Direct Activator of AMP-Kinase PF-06409577 against Diabetic Nephropathy
- A Pfizer Case Study: Palladium Removal Using SiliaMetS Thiol After a Buchwald-Hartwig Amination
- Pd scavenging after a Suzuki-Miyaura Coupling using a GlaxoSmithKline Published Reaction
- Multi-Kilo Delivery of AMG 925 Featuring a Buchwald-Hartwig Amination and Processing with Insoluble Synthetic Intermediates
- Synthesis of Mavatrep: A Potent Antagonist of Transient Receptor Potential Vanilloid-1
- Development of an Efficient, Safe, and Environmentally Friendly Process for the Manufacture of GDC-0084
- Aliphatic Amines in Antarctic CR2, CM2, and CM1/2 Carbonaceous Chondrites Amines
- Zinc Acetate-Promoted Buchwald-Hartwig Couplings of Heteroaromatic Amines
- Amphoteric Borylketenimines: Versatile Intermediates in the Synthesis of Borylated Heterocycles
- Synthesis of a Multivalent Glycoligand against Avian and Human Influenza Viruses
- SiliaMetS Thiol in the Synthesis of Polymer Films for Measurement of Optical Properties
- Uranium XAFS analysis of kidney from rats exposed to uranium
- Photoinduced Topological Transformation of Cyclized Polylactides for Switching the Properties of Homocrystals and Stereocomplexes
- Hydrogen-Borrowing and Interrupted-Hydrogen-Borrowing Reactions of Ketones and Methanol Catalyzed by Iridium
- Diastereoselective synthesis of cis-N-Boc-4-aminocyclohexanol with reductive ring opening method using continuous flow
- An Amgen Case Study
- An AstraZeneca Case Study
- A Pfizer Global R&D Case Study
- An Abbott Laboratories Case Study
- A Johnson & Johnson Case Study
- Leaching & Stability Studies
- Metal Scavenging Screening Service
- Portfolio
- Kits
- SiliaMetS E-PAK flow-through cartridges
- Calculation of SiliaMetS to Use
Items 1 to 701 of 1002 total
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