HPLC Guard Columns and Cartridges
Optimize Technologies OPTI-GUARD™ Biocompatible 1mm Guard Column, Cation Exchange (SCX), 5pk
OPTI-GUARD™ sets the standard for extremely low impact, easy to use pre-column protection. Designed for use with analytical (4.6, 3.0 mm i.d.) and narrow-bore (2.1, 1.0 mm i.d.) columns, the patented floating stem design automatically adjusts to any manufacturer's tube stop depth for a zero-dead-volume connection every time. The best part? It's no larger than a standard fitting. Connecting the OPTI-GUARD™ requires no extra tubing, maintaining the minimal impact philosophy that has made the OPTI-GUARD™ line so popular. As always, custom packing is available. Key Features include: 5 disposable hand-tight holders and cartridges, a ZDV Connection, automatic adjusting to any manufacturer's column, no extra tubing is required for connection, the product does not effect chromatography, and it is no larger than a standard fitting.
Macherey-Nagel HPLC guard column EC 4/3 NUCLEOSIL 120-5 C18
HPLC guard column - EC 4/3 NUCLEOSIL 120-5 C18 - length: 4 mm, ID: 3 mm - pack of 3 - require Column Protection System guard column holder (REF 718966) - for analytical columns with 3, 4 and 4.6 mm ID
Waters Corp Symmetry Sentry Guard Cartridge, C18, 3.5 μm, 2.1 mm x 10 mm
This Symmetry C18 Sentry Guard Cartridge extends analytical column longevity by preventing suspended particles and chemical contaminants. Manufactured in a cGMP, ISO 9001-certified facility, it uses high-performance packing materials for consistent, reproducible results.
- Features monofunctionally bonded C18 ligands on high purity base-deactivated silica.
- Offers tight column specifications for highly reproducible chromatography.
- Extends column longevity by preventing particles and contaminants.
- Uses same high-performance packing as analytical columns.
- Designed for greater capacity in biological fluid cleansing and/or temperature control.
- Manufactured in a cGMP, ISO 9001-certified facility.
- Packing material chromatographically tested per batch with neutral, acidic, and basic analytes.
- Ensures consistently great, repeatable performance.
Waters Corp µBondapak C18 Radial-Pak Guard, 125Å, 10 µm, 40 mm X 10 mm, 2/pk
µBondapak C18 columns are general purpose, silica-based, reversed-phase C18 columns that are based on 10 µm particle technology. As a starting point for preparative chromatography, no other column can provide the balance between resolution, throughput and cost.
Waters Corp Waters μBondapak Guard-Pak Insert, C18, 10 μm, 125 Å
This Guard-Pak Insert is designed to protect columns from particulate and chemical contamination, maintaining performance in preparative chromatography. It features C18 sorbent, 10 μm particle size, and 125 Å pore size.
- Chemistry: C18
- Separation mode: Reversed phase
- Particle substrate: Silica
- pH range: 2 pH to 8 pH
- Maximum pressure: 6000 psi (415 Bar)
- Endcapped: Yes
- Silanol activity: High
- Particle shape: Irregular
- Particle size: 10 μm
- Pore size: 125 Å
- Format: Guard-Pak insert
- Surface area: 330
- System: HPLC
- USP classification: L1
- Carbon load: 10%
- Units per package: 10 pk
Waters Corp Waters μBondapak Guard-Pak Insert, Amino (NH2), 125Å, 10 μm, 10-pack
This guard-pak insert is designed for methods requiring the use of specific packings, offering reliable performance. It provides reproducible, high-performance chromatographic separation, adhering to stringent quality control standards. This product is widely referenced and requested, highlighting its established presence in chromatographic applications.
- Amino (NH2) chemistry
- Reversed phase separation mode
- Silica particle substrate
- Operates within a pH range of 2 to 8 pH
- Withstands maximum pressures of 6000 psi (415 Bar)
- Not endcapped
- High silanol activity
- Irregular particle shape
- Particle size of 10 μm
- Pore size of 125 Å
- Designed in a guard-pak insert format
- Surface area of 330
- Compatible with HPLC systems
- USP Classification L8
- 4% carbon load
Waters Corporation Guard-Pak Insert, C8, 4 μm, 60 Å, 10/pk
The Guard-Pak Insert protects analytical HPLC columns by removing chemical and particulate matter. Its sorbents are identical to those in HPLC columns, ensuring optimum performance. This insert is compatible with 4 μm μPorasil columns or cartridges.
- High resolution and efficiency: 4 μm particle size enables high resolution, efficient, and faster chromatography.
- Protection for HPLC columns: Safeguards analytical HPLC columns from chemical and particulate matter.
- Batch-to-batch reproducibility: Consistent performance due to stringent QC in a cGMP facility.
- Versatile separation possibilities: 6 μm particle size packings offer a wide range of separation options.
Waters Corp Waters Radial-Pak Guard, C18, 125Å, 15–20 μm, 25 mm X 10 mm
This C18 guard is available in two particle sizes, 15–20 μm and 37–55 μm, facilitating easy method transfer for preparative scale-up. It offers a balance between resolution, throughput, and cost for developing new purification protocols.
- Chemistry: C18
- Separation mode: Reversed phase
- Particle substrate: Silica
- pH range: 2 to 8
- Temperature limits: 45°C
- Maximum pressure: 1500 psi (100 Bar)
- Endcapped: Yes
- Silanol activity: High
- Particle shape: Irregular
- Particle size: 15 to 20 μm
- Pore size: 125 Å
- Format: Radial-Pak Guard
- Surface area: 330
- System: HPLC Preparative
- Technique: LC/MS, LC
- USP classification: L1
- Inner diameter: 25 mm
- Length: 10 mm
- Carbon load: 10%
- Units per package: 2
Advanced Materials Technology HALO 90 Å PCS Phenyl-Hexyl, 2.7um, 3.0 mm x 100 mm
Built upon proven Fused-Core technology for speed and efficiency, the HALO PCS column products are positively charged surface chemistries designed to deliver improved peak shapes for basic compounds observed with standard Phenyl-Hexyl chemistry. Ideal for use with low ionic strength mobile phases, HALO PCS maintains peak symmetry at higher loading capacities and provides alternate selectivities from Phenyl-Hexyl bonded phases. The columns are optimized to deliver performance for reproducible, high efficiency LC and LCMS separations.
Waters Corp Waters Guard-Pak Insert, Fast Fruit Juice, 10/pk
The Fast Fruit Juice Guard-Pak Insert is designed to extend the lifetime of columns by efficiently removing chemical and particulate contaminants from the mobile phase stream. This makes them suitable for various applications, including fermentation analysis, organic acids, alcohols, and carbohydrates.
- Extends and prolongs the lifetime of columns.
- Removes chemical and particulate contaminants from the mobile phase stream.
- Suitable for fermentation analysis, organic acids, alcohols, and carbohydrates.
- Supplied in a pack of 10.
- Requires a 7.8 × 10 mm cartridge holder.
Waters Corp DeltaPak C4 Radial-Pak Column, 100Å, 15 µm, 47 mm X 300 mm, 1/pk
Delta-Pak packings, ideal for the separation of peptides, proteins, and natural products, are based on a highly stable, bonded, endcapped 5µm or 15µm spherical silica. Delta-Pak is available in two different pore sizes (100Å and 300Å) with either C4 or C18 bonded phase. Delta-Pak packings are available in different cartridge and column configurations, providing consistent and predictable scale-up capabilities for milligram-to-gram scale purification. Also, by having the same chemistry available on a high-efficiency 5µm particle, you can easily check the purity of your fractions.
Waters Corp Waters Guard-Pak Insert, Delta-Pak C4, 5 μm, 300 Å, 10/pk
The Guard-Pak Insert is designed to protect HPLC columns from particulate and chemical contamination in the mobile phase stream. It helps extend the life and maintain the performance of analytical columns, requiring replacement when contaminants appear or initial backpressure increases significantly.
- Sorbent is Delta-Pak C4, 300Å
- Particle size is 5 μm
- Functions as a guard insert
- Conforms to USP L26 classification
- Available in packs of 10
- Shipped dry and requires conditioning with mobile phase before use
- Adsorption capacity ranges from 10 mg to 40 mg
- Pressure limit is 40 Mpa (6000 psi)
- Packing amount is 50 mg to 100 mg
- Dead volume ranges from 60 μL to 75 μL
Waters Corp DELTA-PAK C18 Guard Inserts, 5 μm, 300 Å
The DELTA-PAK C18 Guard Inserts are designed for use with Waters systems, offering reliable performance for various chromatographic applications.
- Particle size of 5 μm
- Pore size of 300 Å
- Supplied in a pack of 10