Overview
Automatic sampler vials are critical components in modern analytical laboratories, designed to integrate seamlessly with autosamplers in instruments like HPLC (High-Performance Liquid Chromatography) and GC (Gas Chromatography). These vials ensure samples remain uncontaminated and properly sealed during automated handling. They are available in various sizes, typically ranging from 1.5 mL to 20 mL, and are constructed from materials such as borosilicate glass or polypropylene to withstand aggressive solvents and high temperatures. Standardization is key in automatic sampler vials, as they must fit precisely into autosampler trays. Many manufacturers adhere to ISO or ASTM standards to guarantee compatibility across different equipment brands. Some vials include pre-slit caps or septa to facilitate robotic piercing, while others feature screw threads for manual sealing.
Structure and Working Principle
An automatic sampler vial consists of a cylindrical body and a cap, often paired with a septum or liner to create an airtight seal. The vial body is precision-molded to ensure uniform dimensions, which is critical for robotic handling. The cap may be crimped, screwed, or snapped on, depending on the application. Septa are typically made from PTFE/silicone or other inert materials to prevent sample interaction. During operation, the autosampler’s needle penetrates the septum to aspirate or deposit the sample. The vial’s design minimizes dead volume (unrecoverable sample residue) and avoids cross-contamination between samples. Some advanced vials incorporate features like reduced headspace or internal standards for trace analysis.
Key Features
Chemical resistance is a primary feature, with borosilicate glass vials suitable for most organic solvents and polypropylene vials ideal for harsh acids or bases. High-clarity glass minimizes UV interference in spectroscopic analyses. Pre-cleaned and sterilized vials are available for sensitive applications like pharmaceuticals or environmental testing. Many vials are sold with pre-assembled caps and septa to save time and reduce contamination risks. Specialty options include amber vials for light-sensitive samples, wide-mouth designs for solid samples, and vials with markings for volume measurement. Certificates of analysis (CoA) are often provided for compliance with regulatory standards.
Application Areas
Automatic sampler vials are ubiquitous in pharmaceutical QC, environmental monitoring, food safety testing, and petrochemical analysis. In drug development, they are used for dissolution testing, stability studies, and pharmacokinetic research. Environmental labs rely on them for pesticide residue or water contaminant analysis. Industrial applications include feedstock purity checks and catalyst testing. The vials’ compatibility with robotic systems enables high-throughput screening, a necessity in modern labs processing hundreds of samples daily. Custom configurations, such as vials with internal micro-inserts, cater to niche requirements like low-volume analysis.
Maintenance and Precautions
To prolong vial lifespan, avoid mechanical stress (e.g., dropping glass vials) and thermal shock. Polypropylene vials should not be used above their rated temperature (typically 80–120°C). Regularly inspect septa for signs of wear or needle coring, which can lead to leaks or inaccurate results. For trace-level analysis, use vials certified as ‘low-bleed’ to reduce background interference. Always match the vial size to the autosampler tray specifications; misaligned vials can cause instrument errors. When storing samples long-term, ensure caps are tightly sealed and vials are kept in dark, cool conditions if required.
B2B Procurement Guide
When sourcing automatic sampler vials, prioritize suppliers with ISO 9001 certification to ensure consistent quality. Bulk purchases (100+ units) typically reduce costs by 20–40%. Consider consumable kits that include vials, caps, and septa for streamlined inventory management. For regulated industries (e.g., FDA, EPA), verify that vials meet USP <660> or equivalent standards. Some manufacturers offer barcoded vials for automated tracking. Sample testing is recommended before large orders to confirm compatibility with specific autosamplers and methods. Lead times vary; glass vials may require 2–4 weeks for custom sizes.
Related Manufacturers
- 主营：[]
- 主营：[]
- 主营：单人防护装备包、个人防护包、移动执法装备、水质自动取样器、移动执法包、水污染监测设备、红外夜视仪、热成像仪、便携式超声波明渠流量、油烟检测仪、VOC检测仪、qdf-6风速仪、恒流大气采样器、移动源执法设备、在用车尾气分析仪、不透光烟度计、车用氮氧化物分析仪、OBD检测仪、FID检测仪、便携式水质自动采样器、水质快检试剂包、多普勒流量计、转子流速仪、红外气体泄漏检测仪、紫外线强度仪
- 主营：水质检测仪、bod测定仪、加油站设备、恒温恒湿称重系统
- 主营：移液管、深孔板、乳胶手套、离心瓶、500ml离心瓶、离心管、滤芯吸头、巴氏吸管、丁腈手套、生物磁珠、冻存盒、冻存管、色谱柱、石墨管、抑制器
- 主营：COD检测仪、水质检测仪、多参数水质检测仪、雨水管网取样器、红外测油仪、BOD测定仪、大气采样器、粉尘检测仪、红外分光测油仪、氨氮检测仪、氨氮测定仪、水质自动采样器、COD消解仪、粉尘浓度检测仪、多参数水质分析仪、COD测定仪、移动电源、BOD检测仪、多参数水质测定仪、便携式水质检测仪、便携式水质测定仪、便携式明渠流量计、硫化物酸化吹气仪、颗粒物采样器、水质重金属检测仪、空气微生物采样器
- 主营：阻截膜滤芯、芳径分离滤芯、除油除铁滤芯、水中除油滤芯、派瑞天然气滤芯、天然气滤芯、玻纤烧结滤芯、不锈钢滤芯、聚结分离滤芯、油水分离滤芯、液压滤芯、枪头滤芯、PE滤芯、PE烧结滤环、烧结网滤芯、烧结毡滤芯、陶瓷滤芯、过滤器、聚结器、除尘器、多孔雾化滤芯、PE烧结滤芯、天然气聚结滤芯、不锈钢烧结网滤芯、过滤器玻纤滤芯
- 主营：便携式明渠流量计、便携水质自动采样器、BOD测定仪、井用分瓶自动采样器、常规五参数检测仪
- 主营：水质采样器、采水器、污水采样器、废水自动取样器、水质自动取样器、废水采样器、海水采样器、地下水采样器、水质监测采样器、多功能采样器、深水采样器、地表水采样器、便携式水质采样器、等比例水质采样器、水质采样设备、在线水质采样器、超标留样水质采样器、自动水质采样器、多功能水质采样器、水质取样装置、水采样器、污水自动取样装置、金刚采水器、自动采水器、江河水质采样器
- 主营：指示器、手套箱、擦拭纸、带龙头圆形瓶、便携瓶存放箱、透明pp制塑料瓶、培养基、cdc专用、温度计、移液器、搅拌器、加热板、防护面罩、气体分割器、实验室用桶、真空防潮箱、废液回收容器、超音波洗浄機、高速离心分离机、无尘室用擦拭布
- 主营：COD消解器、COD消解仪、红外测油仪、24瓶超标留样仪、红外分光测油仪、多参数水质检测仪、多参数水质测定仪、恒温恒湿称重系统、明渠流量计、COD测定仪、BOD测定仪、液液萃取器、土壤加热器、COD恒温加热器、氨氮测定仪、总磷测定仪、总氮测定仪、浊度仪
- 主营：疾控项目检测仪、声级计、风速风量仪、测氡仪、综合大气采样器、电磁辐射分析仪、残氧仪 顶空分析仪、烟尘烟气测定仪、子体测量仪、荧光光谱仪、理研NMP监测仪、铁粉浓度计、工业内窥镜、雷达流量计、明渠/多普勒流量计、在线监测仪、烟气分析仪、中子剂量率仪、水质采样器、恒温恒湿称重系统、生物毒性分析仪、水下探测机器人、汽车尾气分析仪、二氧化硅测定仪、气体检测报警仪
- 主营：气体分析仪、日本理研、日本新宇宙、水质检测仪、英国离子、霍尼韦尔
- 主营：综合大气采样器、定量采样机器人、颗粒物采样器、水质采样器、微生物检测仪、水质检测仪器
- 主营：测试仪、检测仪、测色仪、塑料瓶垂直载压仪、测氟仪、测距望远镜、风速风向仪、运动粘度计、翻转摇匀仪、明渠流量计、密性检验仪、微波功率计、谷物容重器、荧光示踪仪、延伸度测定仪、脉冲大功率计、纸张耐破度仪、抑菌圈测量仪、气溶胶光度计、度瞬时光照度、隧道能见度仪、笔式电导率仪、温湿度测量仪、溶解氧测定仪、氯离子滴定仪、煤中氟测定仪
- 主营：检查仪、分析仪、匀胶机、监测仪、镀膜机、解析仪、真空阀、sbr小试、cod恒温、水位计、离子计、测定仪、速测仪、气压力、浊度计、实验室、采样器、测振仪、混匀仪、硬度计、崩解仪、微伏表、蛋白质、纯水机、测试仪
- 主营：测量仪、钻头规、断路器、校准仪、报警仪、检定仪、锂电矿灯、多环钻具、铁路挡车器、负压采样器、机车车辆轮、氢气传感器、锂电池矿灯、气密检测仪、甲烷测定器、三点测径规、氧气测定器、堆煤传感器、kl2.5lm(a)矿灯、传感器校验仪、全电阻测试仪、铜喇叭制动阀、综合保护装置、风量开关传感器、电动液压破门器