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Gas chromatography (GC) is a powerful analytical technique used across many industries for separating and analyzing compounds. The quality and purity of the reagents used directly impact the accuracy and reliability of your GC results. Selecting the correct GC reagents is therefore crucial for obtaining precise and reproducible data in your laboratory.
Convenient Packaging: Supplied in a 4-liter container for laboratory and industrial use
Optimized for Chromatographic Performance: The solvent's high purity ensures low background noise, stable baselines, and consistent elution profiles, which are critical in chromatographic analysis
High-Purity HPLC Grade Solvent: LiChrom n-Heptane offers exceptional purity with an assay (GC) of 99.0%, making it suitable for high-performance liquid chromatography (HPLC) and sensitive analytical techniques
Certified Compliance: Manufactured under strict quality control, ensuring consistency across regulated scientific workflows
Versatile Laboratory Applications: Designed for a broad range of scientific tasks including chromatography, extractions, and sample preparation in analytical laboratories
Reliable Analytical Results: Its consistent composition supports reliable separation of compounds, accurate peak resolution, and reproducible test results in critical laboratory processes
THIS PRODUCT CAN BE SHIPPED THROUGH GROUND SHIPPING ONLY
Specification: Capacity: 20 ml; Scale Graduation: 4 ml; Bottle Size: 75 x 22.5 mm/3 x 0.9 Inch (H*OD); Bottle Mouth Inner Diameter: 11.6 mm/0.5 Inch Cap Size: 11 x 18 mm/0.4 x 0.7 Inch; Color: Amber(Bottle); Silver(Cap); Material: High Borosilicate...
Application: The Headspace Vial is widely used for gas analysis, headspace analysis, and headspace analysis of solids and gases.
Advantage: The reagent bottles are crafted from durable borosilicate glass, known for its ability to withstand extreme temperatures, superior chemical resistance, low expansion coefficient, and resilience against breakage and deformation. They are...
Instruction: Amber color protects light-sensitive samples from sunlight, extending their shelf life. The bottle's graduation and white blank area are great for sample identification or labeling.
Note: Our vials are designed with pre-slit septa, allowing easy needle penetration and sample extraction. The special screw design is designed for a consistent seal. Silicone septa and PTFE create an airtight seal for storing compound samples.
【Durable Glass Bottle】HPLC vials have heat resistance and high chemical resistance and are suitable for accommodating reagents with acidic, neutral, and alkaline pH values
【Sealed Design】Lab vials feature a unique screw design that ensures a consistent seal. Silicone septa and PTFE provide an evaporation-tight seal for compound sample storage in the chemical industry and research laboratories
【Easy to Distinguish】This vial has white printed graduations in 1ml increments and a large writing area for sample identification or labeling.
【Screw Vials】Our 4ml HPLC vials are 14.4mm in diameter and 45mm in height, which is suitable for common autosampler.
【Wide Applications】Lab vial is suitable for HPLC, GC, LC/MS applications, and high-throughput analysis for reliable results. Sample vials can be used on all common automatic stamper for thin-neck bottles
【Durable Glass Bottle】HPLC vials have heat resistance and high chemical resistance and are suitable for accommodating reagents with acidic, neutral, and alkaline pH values
【Sealed Design】Lab vials feature a unique screw design that ensures a consistent seal. Silicone septa and PTFE provide an evaporation-tight seal for compound sample storage in the chemical industry and research laboratories
【Easy to Distinguish】Amber vial has white printed graduations and a large writing area for sample identification or labeling
【Screw Vials】Our vials are suitable for HPLC/GC common autosampler.
【Wide Applications】Lab vial is suitable for HPLC, GC, LC/MS applications, and high-throughput analysis for reliable results. Sample vials can be used on all common automatic stamper for thin-neck bottles
Last update on 2026-09-07 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Lab Chromatography GC Reagents
Purity and Grade
Purity: High purity levels are essential for GC reagents to prevent interference with sample analysis and ensure accurate detection. Look for reagents with stated purity percentages, often 99% or higher for critical applications.
Grade: Different grades cater to specific analytical needs. HPLC, GC, and Spectrophotometric grades offer varying levels of purity and suitability for different detection methods. Ensure the grade matches your GC system and analytical requirements.
Application Specificity
Solvents: Choose solvents that are compatible with your GC system and sample matrix. Consider factors like boiling point, polarity, and potential for reactivity.
Standards: Certified reference materials (CRMs) are vital for calibration and quantification. Ensure the standards cover the compounds you need to analyze and are traceable to national or international standards.
Frequently Asked Questions
What is the difference between GC grade and HPLC grade solvents?
GC grade solvents are specifically purified and tested for use in gas chromatography, minimizing contaminants that could interfere with sensitive detectors. HPLC grade solvents are purified for high-performance liquid chromatography and may have different specifications, though some can be suitable for GC if purity requirements are met.
How important is the purity of GC reagents?
Reagent purity is paramount in gas chromatography. Impurities can lead to ghost peaks, baseline noise, and inaccurate quantification, compromising the integrity of your analytical results. Always opt for the highest purity grade suitable for your specific application.
Can I use a general laboratory solvent for GC analysis?
While some general lab solvents might appear pure, they often contain trace impurities that can significantly affect GC performance. It is highly recommended to use solvents specifically designated as GC grade to ensure reliable and reproducible results.
What are certified reference materials (CRMs) for GC?
CRMs are materials with one or more property values that are established with associated measurement uncertainty, obtained by measurement, using a metrological traceable reference standard. For GC, CRMs are used to calibrate instruments and validate analytical methods, ensuring accuracy in identifying and quantifying substances.
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