SUPELCO 58355-U Supelcosil Hplc Column LC-18-DB 5UM 30CM 4MM

( Brand: Supelco ), ( Manufacturer Part Number: 58355-U )

Review SUPELCO Supelcosil 5um 30cm 4mm Hplc Column

The Supelco 58355-U SUPELCOSIL LC-18-DB column is a high-performance reversed-phase liquid chromatography (HPLC) analytical column designed for separating and identifying a wide range of organic compounds, particularly those with moderate to high polarity. This particular column from Sigma-Aldrich's Supelco brand is 30 cm long with an internal diameter of 4.6 mm, making it a versatile choice for many lab applications.

The stationary phase of this column is composed of 5 micron (5 m) spherical particles coated with a 18 Angstrom (18 ) thick film of the base stationary phase, SUPELCOSIL LC-18, which is a bonded, dimethyl-octadecylsilane (C18) stationary phase. The C18 stationary phase is well-known for its ability to retain hydrophobic compounds, allowing for effective separations.

The 5 m particle size of the Supelco 58355-U column contributes to its increased efficiency and resolution, enabling the separation of closely eluting compounds. The 18 pore size of the stationary phase allows for reasonable retention of polar compounds, making it a suitable choice for a wide range of applications.

The Supelco 58355-U column is also characterized by its large load capacity, which allows for the injection of larger sample volumes, and its good column efficiency, which translates to shorter run times and increased productivity. The column is suitable for use with a variety of mobile phases, including water, acetonitrile, methanol, and acidic or basic buffers.

In summary, the Supelco 58355-U SUPELCOSIL LC-18-DB column is a high-performance, 30 cm long, 4.6 mm i.d., 5 m particle size, reversed-phase HPLC analytical column that is suitable for separating and identifying a wide range of organic compounds, particularly those with moderate to high polarity. Its C18 stationary phase and large load capacity make it a versatile and efficient choice for many lab applications.

The Supelco LC-18 DB 5um 30cm 4.6mm HPLC column (Product No. 58355-U) is a popular choice for liquid chromatography (LC) separations due to its high performance and reliability. Here are some pros and cons of investing in this particular column:

1. High Selectivity: The Supelco LC-18 DB column is known for its excellent selectivity, making it suitable for separating a wide range of compounds, including acidic, basic, and neutral solutes.

2. High Efficiency: The 5-micron particle size and the 30cm length of the column result in high efficiency separations, allowing for the resolution of closely eluting peaks.

3. Broad Application Range: This column is widely used in various industries, including pharmaceuticals, food and beverage, and environmental sciences, to name a few.

4. Durability: The column is designed to withstand harsh conditions, including high temperatures and pressures, ensuring long-lasting performance.

5. Consistent Performance: Supelco is a reputable manufacturer, and the LC-18 DB column is known for its consistent performance, ensuring accurate and reliable results.

1. Cost: HPLC columns, especially high-performance ones like the Supelco LC-18 DB, can be quite expensive. This may be a limiting factor for some laboratories or research groups.

2. Requires Proper Maintenance: Proper maintenance, including regular cleaning and conditioning, is essential to ensure the column's longevity and optimal performance.

3. Limited Capacity: The 4.6mm inner diameter of the column limits the sample size that can be injected in a single run, which may require multiple injections for larger samples or larger-scale analyses.

In conclusion, the Supelco LC-18 DB 5um 30cm 4.6mm HPLC column offers excellent separation efficiency, high selectivity, and broad application range. However, it comes with a high cost and requires proper maintenance. If your research or application requires high-performance separations, the investment in this column may be worthwhile. Alternatively, if budget is a limiting factor or larger sample sizes need to be analyzed, alternative column options with smaller particle sizes or larger inner diameters may be considered.

Details:

Good shape see photos.

part #: 58355 prices

• $315.00-$599.99

specifications labequipi:

• brand: Supelco
• mpn: 58355-u

payments labequipi:

• credit card: Mastercard
• other
• wallet: Apple-pay

offer labequipi:

• started: March 19, 2026
• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock

seller labequipi:

• # reviews: 2718
• city: Arlington, Tennessee
• rating: 99.4%

returns labequipi:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted
• method: Money back

shipping labequipi:

• cost: $0.00
• type: Calculated
• service: USPS Ground Advantage
• transit: 5-11 Days
• class: Standard
• carrier: USPS

general labequipi:

• condition: Used
• Healthcare, Lab Dental > Medical Lab Equipment, Devices > Other Medical Lab Equipment

Supelco 58355 Is Similar To:

• Supelco 12018ast Astec Chirobiotic 2.1mm X 10cm 5 M Analytical Hplc Column (42.6% similar) Supelco Aztec robotic 12018AST 2.1MM x 10CM 5UM analytical hplc column. Column type: choral hplc. Specifications. Manufactured by Supelco, a trusted name in analytical chemistry, this column offers precise, reproducible separation of unanimous and other choral compounds. Model: Aztec robotic. ...(July 8th, 2025)
• Supelco A-428x New Upchurch Scientific Filter End Fitting 0.5um Peek Hplc 7pk Idex (38.9% similar) New in the package lot CON5/1WHITEPROSPBX...(January 10th, 2026)