Nickel Element Hollow Cathode Lamp
Overview
The Nickel Element Hollow Cathode Lamp is a critical component in atomic absorption spectroscopy (AAS), designed to emit characteristic nickel spectral lines for quantitative analysis. It operates by ionizing inert gas atoms within a sealed tube, which then sputter nickel atoms from the cathode, producing narrow, element-specific light. This lamp is favored for its precision in detecting trace nickel concentrations, often down to parts-per-billion levels. Manufactured under stringent conditions to ensure spectral purity, these lamps are integral to laboratories conducting environmental monitoring, quality control in metallurgy, and pharmaceutical testing. Their design minimizes spectral interference, enabling accurate measurements even in complex matrices.
Physical and Chemical Properties
The lamp's cathode is made of pure nickel or a nickel alloy, housed in a borosilicate glass tube filled with neon or argon gas at low pressure. When energized, the gas ions collide with the cathode, ejecting nickel atoms that emit light at wavelengths specific to nickel transitions (e.g., 232.0 nm, 341.5 nm). Key operational parameters include a typical current range of 5–15 mA and a warm-up time of 5–10 minutes for optimal stability. The lamp's lifespan ranges from 3,000 to 5,000 hours, depending on usage intensity. Its spectral output is highly reproducible, with minimal drift over time.
Main Applications
Nickel Hollow Cathode Lamps are indispensable in AAS systems for detecting nickel in water, soil, and industrial effluents, complying with EPA and ISO methods. They are also used in food safety to monitor nickel contamination in crops and seafood. In metallurgy, these lamps ensure alloy composition accuracy, while in pharmaceuticals, they trace nickel impurities in active ingredients. Research institutions employ them for studying nickel's role in biological systems or catalytic processes. Their specificity reduces false positives compared to broad-spectrum sources.
Safety and Storage
Though sealed, the lamp contains trace amounts of inert gas and nickel particles. Avoid crushing or exposing it to extreme temperatures to prevent rupture. If damaged, ventilate the area and handle fragments with gloves. Store lamps upright in original packaging to protect the cathode. Avoid prolonged exposure to humidity, which can degrade electrical contacts. For disposal, follow local regulations for electronic waste containing heavy metals. Manufacturers often provide take-back programs for used lamps.
B2B Procurement Guide
When sourcing Nickel Hollow Cathode Lamps, prioritize suppliers with ISO 17025 certification for consistent quality. Key specifications include spectral line intensity, noise levels, and compatibility with your spectrometer model (e.g., PerkinElmer, Shimadzu). Bulk purchasers should negotiate warranties (typically 1 year) and confirm lead times, as custom wavelengths may require longer production. Consider modular designs for easier replacement. For high-throughput labs, assess lamps with extended lifespans or higher current tolerance to reduce downtime.
Related Manufacturers
- 主营：石墨管、雾化器、样品杯、空心阴极灯、元素灯、原子荧光灯、氘灯、紫外氘灯、钨灯、样品管、标准溶液、炬管、石墨锥、原子吸收光谱仪、原子荧光光谱仪、ICP光谱仪、ICP质谱仪
- 主营：石墨管、雾化器、雾化室、空心阴极灯、氘灯、元素灯、原子荧光灯、紫外灯、紫外氘灯、样品杯、样品管、石墨锥、ICP光谱仪、ICP质谱仪、AAS原子吸收
- 主营：混合器、光谱仪、控制板、调谐液、过滤桶、耗材包、浓缩柱、负高压、隔膜泵、电磁阀、分析仪、锥垫片、小电脑、icp耗材、过滤芯、仪耗材、传感器、icp光谱、空气泵、玻璃棉、观测管、样品瓶、萃取管、钨电极、淋洗液
- 主营：离心瓶、冻存管、冻存盒、氘灯、巴氏吸管、细胞过滤器、乳胶手套、丁腈手套、淋洗液发生罐、样品瓶、导电吸头、移液管、采样锥、截取锥、离子色谱柱、离子抑制器、萃取池、石墨管、萃取小柱
- 主营：密理博滤膜、路明克斯luminex、默克纯水耗材、氘灯、安捷伦衬管进样针、OXoid奥克欧德、thermo赛默飞分析耗材、琼脂糖凝胶、agilent安捷伦、038141赛默飞进样瓶
- 主营：保护柱、泵样管、飞刃环、942339030281赛默飞热电镍、线圈盒、质谱仪、移液器、试剂盒、螺口盖、检测器、样品瓶、止回阀、过滤盖、加热器、配件泵、放大器、电泳箱、内插管、注入阀、纯化柱、过滤器、48i配件、色谱柱、fid模块、钳口盖、盖组件
- 主营：粉尘测量仪、真空传感器