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1-4mL Autosampler Vials for HPLC, UPLC, GC 6-20mL GC Headspace Vials 8-60mL EPA Storage Vials 16mm, 25mm Test Tubes for Water Analysis HPLC Syringe Filters

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Chromatograhy Vials

We have our own factory which covers about 13,000 square meters,and we have the professional engineer and specific workers.

1.5 ML/2ML 8-425 Screw Neck Autosampler Vials ND8

1.5 ML/2ML 8-425 Screw Neck Autosampler Vials ND8

1.5ml 9mm Short Thread Autosampler Vials ND9

1.5ml 9mm Short Thread Autosampler Vials ND9

1.5ml 10-425 Screw Autosampler Vials ND10

1.5ml 10-425 Screw Autosampler Vials ND10

1.5mL 11mm Crimp Ring Autosampler Vial ND11

1.5mL 11mm Crimp Ring Autosampler Vial ND11

1.5mL 11mm Snap Ring Autosampler Vial ND11

1.5mL 11mm Snap Ring Autosampler Vial ND11

4mL 13-425 Screw Neck Autosampler Vial ND13

4mL 13-425 Screw Neck Autosampler Vial ND13

16mm Test Tubes for Water Analysis

16mm Test Tubes for Water Analysis

Micro-Inserts

HPLC Syringe Filters

HPLC Syringe Filters

20-60mL 24-400 Screw Neck Storage Vial ND24

20-60mL 24-400 Screw Neck Storage Vial ND24

Zhejiang Aijiren Technology, Inc. is a global supplier of life-science, chemistry, laboratory consumables, etc. Our major products are high performance liquid chromatography & gas chromatography consumables such as Chromatography Autosampler Vials with closures, inserts, crimper and syringe filters, etc; Water analysis consumables such as COD test tube. Zhejiang Aijiren Technology,Inc. have been supplying to more than 70 countries, covers more than 2000 customers all over the world. 120 workers, 100,000 class cleaning room, ISO, GMP & Bureau Veritas certificated, this is how we keep high quality and competitive prices for global valued customers.

Over 15 years, we have earned an excellent reputation and public praise all over the world.

2015 Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy

2015 Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy

Zhejiang Aijiren Technology Co., Ltd. participated in the Pittsburgh exhibition (Pittcon) in New Orleans, USA from March 8, 2015 to March 12, 2015 Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy, the world’s largest exhibition of chemical analysis instruments, scientific instruments and laboratory equipment, began in 1950 and is generally held in the United States every spring. Pittcon attracted more than 16,000 attendees from industry, academia and government in ...

2015 The 13th Analitika Exhibition

2015 The 13th Analitika Exhibition

Range of exhibition: Analytical equipment, control and measuring instruments, laboratory furniture, chemical reagents and consumables, nanotechnology and nanomaterials, biological analysis Exhibition theme 1. Analysis and quality control Instrument analysis；Electrochemical measurement method；Emission spectrum analysis, photometry, X-ray analysis and others ； Mass spectrometry； Radioactivity measurement method；Other； Soft equipment； Microscope and optical image processing；Test and mea...

The 31st German International Chemical Engineering, Environmental Protection and Biotechnology Exhibition (ACHEMA 2015)

The 31st German International Chemical Engineering, Environmental Protection and Biotechnology Exhibition (ACHEMA 2015)

ACHEMA 2015 ended in June 19, 2015 in Frankfurt, Germany. The exhibition is organized by the German Chemical Equipment, Engineering and Biotechnology Association, each Once in 3 years, it is the world’s largest chemical engineering and equipment exhibition and enjoys a high reputation in the global chemical industry. Many tradesmen from this industry came to the exhibition, Packaging materials, machinery for production, manufacturing and packaging of the pharmaceutical industry, chemic...

The 16th Beijing Conference and Exhibition on Instrumental Analysis

The 16th Beijing Conference and Exhibition on Instrumental Analysis

“Analytical Science Creates the Future”, The 16th Beijing Analytical Testing Academic Report Conference and Exhibition. As an professional analyzing & testing event, BCEIA 2015 – The 16th Beijing Conference and Exhibition on Instrumental Analysis is going to be held at China National Convention Center (CNCC), China during Oct. 27-30, 2015. BCEIA 2015 – The 16th Beijing Conference and Exhibition on Instrumental Analysis provides an international platform to showcas...

Aijiren Technology’s perfect curtain call Munich Analytica China Conference

Aijiren Technology’s perfect curtain call Munich Analytica China Conference

The Analytica China Conference is a rare event for instrument manufacturers, distributors, and industry users. At the exhibition, you can learn about the latest products and technologies in the world, and you can learn about the development of many industries in the same industry. The most rare thing is that the Expo has formed an interaction between manufacturers and users of the biological industry, which has promoted the development of the industry. At this exhibition, many visitors to th...

Aijiren participated in the 2014 Pittcon exhibition in Chicago, USA.

Aijiren participated in the 2014 Pittcon exhibition in Chicago, USA.

The 65th Conference and Exposition for Analytical Chemistry and Applied Spectroscopy. This global event brought together more than 16,200 conferees and exhibitor personnel. Attendees include lab managers, scientists, chemists, researchers and professors, from industrial, academic, and government labs. They represent an equally broad number of scientific disciplines including life science, food science, drug discovery, environmental, forensics, nanotechnology, water/wastewater, energy/fuel and...

Evaporation loss is a gravimetric problem before it is a chromatographic one

A 96-vial sequence on a GC-FID running EPA 8260 volatiles lost 4.1% of its internal standard response between vial 12 and vial 78, and the autosampler never flagged an error. The instrument was fine. The vials were fine on day one. What changed was that the analyst had switched to a new lot of caps, and the new septa had a compression set 18% higher than the old ones, so once the robot pierced them the seal never came back. That is the failure this article is about: chromatography vial seal...

Tested versus nominal: the distinction that decides whether the sheet is

A customer sent me a certificate of analysis last March for a lot of 2 mL clear crimp vials that had failed his autosampler three times in a week. The sheet said CV < 1.0% on “critical dimensions.” I asked which dimensions, over how many cavities, and whether the CV was calculated on the sample or on the mold. He did not know, and neither did the distributor. That datasheet was technically true and practically useless, which is the most common failure mode in this category. R...

What the line controls in closed loop versus what it only inspects at the end

A 2 mL clear glass vial lot came off the line at 4.62 mm neck OD against a 4.55 mm nominal, and every autosampler on the customer’s bench started throwing “vial not found” errors at position 47. The glass was fine. The run was fine. The neck gauge on the forming line had drifted 0.07 mm over eleven hours because nobody had recalibrated the air gauge after a tooling changeover. That is the kind of thing a chromatography vial factory actually controls, and it is the thing mo...

Only four USP chapters actually reach the vial, and two of them do it

A validated USP method for a small-molecule assay failed system suitability on the third injection of a 96-vial run. The peak area RSD hit 2.4% against a 2.0% limit, and the tailing factor on the analyte drifted from 1.08 to 1.31. The column was six weeks old and fine. The instrument had passed its calibration the same morning. The cause was a lot of 9 mm screw-top vials with a septa durometer about 8 Shore A softer than the previous lot, which let the needle punch a partial plug that sat i...

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