Is your lab ready for the new academic year? As students and teachers return to the laboratory, now is a great time to prepare your chromatography systems for the semester ahead.Now with 20% total discount on a new <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products/999">Clarity Chromatography Software</a> for customers from educational institutions. In addition, customers purchasing a new license for Clarity Chromatography Software will receive a free copy of <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products/1000">Clarity Offline Chromatography Software</a>.<blockquote>👉Promotion code: MKT2114The offer is valid through the end of October 2026.</blockquote>The latest version of Clarity Chromatography Software - 10.2 was released in June 2026! <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/article/7512">Read the article HERE.</a>

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News from LabRulezLCMS Library - Week 37, 2026

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Since 1991 DataApex develops and manufactures chromatography data stations. DataApex is constantly striving to provide users with efficient and up-to-date tools for chromatography data processing.

DataApex

Everything from the world of analytical chemistry in one place. We connect people in solving their problems. At Labrulez you will find all the necessary information easily, quickly and clearly. Stop searching and start finding.

LabRulez

Based in Berlin, KNAUER is a medium-sized, owner-managed company that has been serving the sciences since 1962. We develop and manufacture scientific instruments of superior quality for liquid chromatography, including: Analytical HPLC/UHPLC, Preparative HPLC, Fast protein liquid chromatography (FPLC), Multi-column chromatography/Simulated moving bed (SMB) chromatography. High pressure dosing, in-line detection systems, and osmometry are additional business areas.

KNAUER

SIELC Alltesta Gradient Automated HPLC Analyzer

SIELC’s Alltesta™ Analyzer is an affordable HPLC analytical system with for measuring small and trace concentrations of various chemicals.

SIELC’s Alltesta™ Analyzer is an affordable HPLC analytical system that provides both scientific and educational environments with a convenient, simple solution for measuring small and trace concentrations of various chemicals in products such as milk, baby formula, pet food, pills, household formulations, and more.No difficult sample preparation is necessary, and no prior experience in chromatography or analytical chemistry is required for the operator. Measurements typically take less than 5 minutes, and the Alltesta™ comes with a set of supplies sufficient for 200 analyses.<ul><li>Small foot-print, light-weight, can be used on a small table</li><li>No difficult sample preparation</li><li>Takes only a few minutes to start operating</li><li>No chemical experience is required for instrument user</li><li>User friendly, self explanatory cloud-based software</li><li>Produces easy-to-understand results within 5-10 minutes</li></ul><h4>Alltesta Gradient Automated HPLC Analyzer includes:</h4><ul><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1249">Alltesta™ Power Tower</a> (provides power and cloud connectivity)</li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1244">Alltesta Mini Autosampler</a> (includes <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1245">Alltesta High-Pressure Switching Valve</a>)</li><li>Two <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1247">Alltesta™ Ultra High Pressure Mini Syringe Pumps</a> for gradient flow</li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1248">Alltesta UV-Vis Detector</a></li></ul><h4>Examples of Alltesta™-based HPLC methods</h4><ul><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/HPLC_Method_for_Analysis_of_Aspirin_in_Alka_Seltzer_Extra_Strength_Effervescent_Aspirin_on_Primesep_100_Column_d33816ae83.pdf">HPLC Method for Analysis of Aspirin in Alka-Seltzer Extra Strength Effervescent Aspirin</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/HPLC_Method_for_Analysis_of_Phenylephrine_Hydrochloride_1_in_Equate_Nasal_Spray_on_Primesep_100_Column_02f2983c25.pdf">HPLC Method for Analysis of Phenylephrine Hydrochloride 1% in Equate – Nasal Spray</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/HPLC_Method_for_Analysis_of_Rockstar_Zero_Carbs_Energy_Drink_with_Caffeine_and_Taurine_on_Primesep_100_Column_c87a85a0b4.pdf">HPLC Method for Analysis of Rockstar Zero Carbs Energy Drink with Caffeine and Taurine</a></li></ul>See this cloud-based example of the 2-Naphthalenesulfonic acid, Allura red, Fast Green FCF, 1,5-Naphthalenedisulfonic acid, Tartrazine separation method <a target="_blank" rel="noopener noreferrer" href="https://chrom.app/share/#/samples/11972/injection/21307/?t=a992fefcdd3647b19f6bed81e182d3d8">here</a>.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/SIELC_SIELC_Alltesta_Gradient_Automated_Analyzer_example_of_the_2_Naphthalenesulfonic_acid_Allura_red_Fast_Green_FCF_1_5_Naphthalenedisulfonic_acid_Tartrazine_separation_b96e648d63.jpg" alt="SIELC: SIELC Alltesta™ Gradient Automated Analyzer - example of the 2-Naphthalenesulfonic acid, Allura red, Fast Green FCF, 1,5-Naphthalenedisulfonic acid, Tartrazine separation.">

SIELC Alltesta Cromite HPLC Analyzer

Compact and cloud-connected, the Cromite™ HPLC System delivers precise UV/Vis analysis with innovative single-ended column technology—ideal for research, QC, and education labs.

The Cromite™ HPLC System from SIELC Technologies is a compact, high-performance liquid chromatography platform engineered for research, teaching, and routine quality control. It combines professional analytical performance with intuitive operation in a lightweight, space-saving design.Designed for academic institutions, research laboratories, and QC environments in pharmaceuticals, food science, and environmental analysis, Cromite™ delivers reliable separations without the complexity of conventional full-scale systems. Its automated single-vial injection, isocratic syringe pump, and UV/Vis detection enable accurate analysis of compounds such as caffeine, vitamins, food dyes, environmental contaminants, and active pharmaceutical ingredients.Cloud-enabled control software allows users to create methods, run analyses, review chromatograms, and share data remotely from virtually any device. This connectivity makes Cromite™ well suited for distributed teams, teaching environments, and flexible laboratory setups.A key innovation is SIELC’s proprietary Single-Ended HPLC Column technology (up to 150 mm length). This design eliminates tubing and fittings, minimizes dead volume, and enables tool-free column replacement, reducing setup time and the risk of leaks. Each system is supplied with a single-ended column of choice and all essential accessories for immediate operation.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/SIELC_Alltesta_Cromite_HPLC_analyzator_285f593640.jpg" alt="SIELC: Alltesta Cromite HPLC analyzer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_SIELC_Alltesta_Cromite_HPLC_analyzator_285f593640.jpg 234w," sizes="100vw" width="1536" height="1024"><h4>Key Features</h4><ul><li>Compact and Lightweight Design: Weighing only 1.45 kg and measuring 115 × 190 × 115 mm, Cromite™ fits easily into space-limited labs and classrooms.</li><li>Automated Injection: Single-vial automated injection simplifies operation and improves reproducibility.</li><li>Isocratic Syringe Pump: Flow rates from 0.1 to 4.0 mL/min with pressures up to 4000 psi ensure effective separation of complex mixtures.</li><li>UV/Vis Detection<ul><li>Standard wavelengths: 275, 460, 520, 630 nm</li><li>Custom configuration: any four wavelengths starting from 235 nm</li><li>Low noise (&lt;0.05 mAU) and 20 Hz detection rate support reliable quantification.</li></ul></li><li>Cloud-Based Software: Wi-Fi, Ethernet, and mobile connectivity enable remote method development, data analysis, and collaboration.</li><li>Single-Ended Column Technology<ul><li>Zero dead volume design</li><li>No tubing or fittings</li><li>Tool-free replacement</li><li>Supports 4.6, 3.2, and 2.1 mm ID columns up to 150 mm length</li></ul></li></ul><blockquote>We offer a special 15% discount for schools.</blockquote><h4>Examples of Alltesta™-based methods</h4><ul><li><a target="_blank" rel="noopener noreferrer" href="https://chrom.app/share/#/samples/12579/injection/22619?t=3f67e3c308cc479085c836cc682e8f1a">HPLC Method of Analysis of Ascorbic Acid</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://chrom.app/share/#/samples/12533/injection/22589/?t=43cad31c0e924440a18874658565c3db">HPLC Method of Analysis of Theobromine, Theophylline, Caffeine and C7</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://chrom.app/share/#/samples/12411/injection/22415/?t=0c93f4eb855c43aebcfd4c3b1fd55ce9">HPLC Method of Analysys of Aspirine</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/HPLC_Method_for_Analysis_of_Phenylephrine_Hydrochloride_1_in_Equate_Nasal_Spray_on_Primesep_100_Column_02f2983c25.pdf">HPLC Method for Analysis of Phenylephrine Hydrochloride 1% in Equate – Nasal Spray</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/HPLC_Method_for_Analysis_of_Rockstar_Zero_Carbs_Energy_Drink_with_Caffeine_and_Taurine_on_Primesep_100_Column_c87a85a0b4.pdf">HPLC Method for Analysis of Rockstar Zero Carbs Energy Drink with Caffeine and Taurine</a></li></ul><h4>Specifications</h4><ul><li>Injection: Automatic, 1 vial</li><li>Pump: Syringe, isocratic</li><li>Flow Rate: 0.1–4.0 mL/min</li><li>Maximum Pressure: 4000 psi</li><li>Noise Level: &lt;0.05 mAU</li><li>Detection Rate: 20 Hz</li><li>Wavelengths (standard): 275, 460, 520, 630 nm</li><li>Wavelengths (custom): Any four starting from 235 nm</li><li>Supported Columns: Single-Ended HPLC Columns (4.6, 3.2, 2.1 mm ID)</li><li>Column Length: ≤150 mm</li><li>Connectivity: Wi-Fi, Ethernet, Mobile network</li><li>Power Supply: 100–240 V, 50–60 Hz</li><li>Operating Temperature: 0–40 °C</li><li>Dimensions (W × H × L): 115 × 190 × 115 mm</li><li>Weight: 1.45 kg</li></ul><h4>Typical Applications</h4><ul><li>Pharmaceutical Analysis – API identification, formulation testing, and stability studies</li><li>Environmental Testing – Detection of contaminants in water and soil</li><li>Food &amp; Beverage – Analysis of vitamins, additives, and preservatives</li><li>Academic Laboratories – Hands-on chromatographic training and research</li><li>Materials &amp; Chemical Research – Evaluation of additives, catalysts, and specialty chemicals</li></ul><blockquote>For pricing information, please contact: <a>alltesta@sielc.com</a></blockquote>

KNAUER AZURA Educational 400 bar HPLC System

Based on our KNAUER AZURA Compact HPLC: Robust, modern and cost-effective.

We would like to support you in your efforts to teach chromatography in theory and practice with the KNAUER AZURA Educational System. Our special package for training includes:<ul><li>KNAUER AZURA Compact HPLC as a complete solution: an isocratic HPLC system with manual injection valve, pump, HPLC column and UV detector as well as eluent tray and solvent bottles.</li><li>Intuitive and up-to-date: The clearly defined layout helps to understand the different functions of the HPLC system. All important components are easy to access and maintain.&nbsp;</li><li>A laptop and the HPLC software ClarityChrom® to control the system and analyze results. Alternatively, KNAUER´s Mobile Control can also be used.</li><li>Training material: flow chart for installation and capillary connection, detailed application note and video tutorials.</li><li>Beyond the detailled described example application, many other easy applications are also possible on this system</li></ul>If you are more interested in a fully equipped HPLC system for daily routine analyses, we recommend the KNAUER AZURA HPLC 862 bar systems.<h3>Specifications</h3><ul><li>Back pressure range: 400 bar max.</li><li>Flow rate range: 0.001–10 ml/min</li><li>Recommended continuous flow rate: 0.1–4 ml/min</li><li>Available pump systems: Isocratic</li><li>Injection options:&nbsp;Manual, optionally automatted via electrial injection valve</li><li>Injection volume rangev:&nbsp;1 µl–5000 µl depending on sample loop and injection syringe</li><li>Column thermostatting range: Ambient</li><li>Choice of detectors:&nbsp;UVD</li><li>Choice of software packages: ClarityChrom® CDS, Mobile Control</li></ul><h3>System components</h3><div><div>By choosing the most suitable component options for your specific application task, the AZURA system adapts to your needs.</div></div><h4>Isocratic pump system</h4>The AZURA® P 4.1S isocratic compact pump is the easiest solution and can be applied, whenever an isocratic run is needed. It features an integrated pressure sensor, which ensures pressure-independent flow rate accuracy.&nbsp;Choose between specialized pump heads for reversed phase and normal phase applications.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Knauer_KNAUER_AZURA_Educational_HPLC_System_Isocratic_pump_system_6cc15acad6.jpg" alt="Knauer: KNAUER AZURA Educational HPLC System - Isocratic pump system" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Knauer_KNAUER_AZURA_Educational_HPLC_System_Isocratic_pump_system_6cc15acad6.jpg 245w," sizes="100vw" width="1415" height="764"><h4>Sample Injection</h4><h5>Manual injection valve</h5>KNAUER Manual injection valves V 4.1 are the easiest and most cost- effective way to inject your sample. Equippable with different sample loops, the manual injection valve can be used for a wide range of injection volumes.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Knauer_KNAUER_AZURA_Educational_HPLC_System_Manual_injection_valve_ff921b5148.jpg" alt="Knauer: KNAUER AZURA Educational HPLC System - Manual injection valve" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Knauer_KNAUER_AZURA_Educational_HPLC_System_Manual_injection_valve_ff921b5148.jpg 245w," sizes="100vw" width="1309" height="541"><h5>Electrically driven injection valve</h5>Whenever you need higher reproducibility and want to get user-independent results, a manual injection valve can be upgraded to an electrically switching injection valve using the KNAUER smart valve drive VU 4.1. The sample can still be applied manually, but the injection into the HPLC system is automated.For the KNAUER AZURA 400 bar Compact systems, it can be installed&nbsp;as a module in the ASM 2.2L.<h4>Column selection and thermostat</h4>Optionally available for the KNAUER AZURA Educational system. The forced air column thermostat AZURA CT 2.1 is capable of heating or cooling from 5 to 85 °C. The powerful fan and robust peltier element keep the column at a very stable temperature, thus allowing reproducible analysis results.&nbsp;Optional eluent preheating cartridges can be installed.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Knauer_KNAUER_AZURA_Educational_HPLC_System_Column_selection_and_thermostat_567c35ab61.jpg" alt="Knauer: KNAUER AZURA Educational HPLC System - Column selection and thermostat" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Knauer_KNAUER_AZURA_Educational_HPLC_System_Column_selection_and_thermostat_567c35ab61.jpg 245w," sizes="100vw" width="1700" height="881"><h4>Detection</h4><h5>UV/VIS detectors with single variable wavelength</h5>The AZURA UVD 2.1S is a highly competitive single variable wavelength UV detector for HPLC. It offers excellent technical specifications for routine laboratory work.&nbsp;The installed deuterium lamp covers a wavelength range from 190 to 500 nm.&nbsp;Due to a smart design, the flow cell is easily accessible and can be changed very quickly.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Knauer_KNAUER_AZURA_Educational_HPLC_System_Compact_variable_single_wavelength_UV_detector_for_ASM_2_2_L_71a87b3680.jpg" alt="Knauer: KNAUER AZURA Educational HPLC System - Compact variable single wavelength UV detector for ASM 2.2L" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Knauer_KNAUER_AZURA_Educational_HPLC_System_Compact_variable_single_wavelength_UV_detector_for_ASM_2_2_L_71a87b3680.jpg 243w," sizes="100vw" width="1199" height="769"><h4>Software solutions</h4><h5>Mobile Control</h5>The Mobile Control is an intuitive and cost-effective software solution for controlling and monitoring your AZURA devices and systems. The clear system overview provides instant information on key parameters and system status. Adjust and operate single devices or even whole systems with a few fingertips.&nbsp;The well-structured block programming assists you to clearly and quickly automate device control. A smart user management makes the Mobile Control safe. Device parameters can only be changed by authorized operators.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Knauer_KNAUER_AZURA_Educational_HPLC_System_Mobile_Control_software_2052b3ed77.jpg" alt="Knauer: KNAUER AZURA Educational HPLC System - Mobile Control software" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Knauer_KNAUER_AZURA_Educational_HPLC_System_Mobile_Control_software_2052b3ed77.jpg 241w," sizes="100vw" width="1280" height="830"><h5>ClarityChrom® CDS</h5>ClarityChrom is an easy-to-use chromatography data system for workstations. The optional control extensions for GC, PDA and GPC allow to use the software for a wide range of applications.&nbsp;

Products from category Compact HPLC focused on HPLC - page 1

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