LJ-790 型微机化裂解进样器可与各种型号的气相色谱仪配套使用。该系统主要用于高聚物、大分子样品内部结构的定性、定量检测。本仪器裂解探头采用铂丝、铂带材料，具有连续升温，升温可控速度快的，且能进行5阶程序升温，10种方法存储。使用该装置可免除气相色谱法中繁杂的样品前处理过程，且作为一种特殊的色谱分析手段，以其简便、实用的在石油化工、环境保护、生物医药、法庭科学等领域得到了的应用和发展。
主要技术参数
1.裂解池温度范围: 室温以上5～400℃，以增量1℃任设。
2. 裂解探头温度范围: 300～1200℃，以10℃增量任设；5阶程序升温。
3. 裂解探头温控速率: 0.01℃～20/ms分十一挡转换。
4. 裂解探头温控时间: 10ms～99s，增量10 ms。
5. 清洗温度: 1200℃，持续5s。
6. 分析结果重复性: ≤2%。（聚苯乙烯二聚体）。
7. 外形尺寸: 387mmX245mmX130mm （长X宽X高）。
8.功率: 250W。
9. 重量: 7Kg。
LJ-790 computerized cracking sampler can be used with various types of gas chromatography. The system is mainly used for qualitative and quantitative detection of internal structure of polymer and macromolecule samples. The instrument uses platinum wire and the platinum belt material, which has the advantages of stable continuous temperature rise and fast temperature controllable speed, and can carry out 5-step program temperature elevation and storage in 10 ways. The device can eliminate the complicated sample pretreatment process in gas chromatography, and it is widely used in petrochemical industry, environmental protection, biomedicine, forensic science and other fields because of its simple and practical advantages as a special chromatographic analysis method. The application and development.
The main technical parameters
1. Cracking tank temperature range: room temperature above 5 ~ 400 ℃, in increments of 1 ℃ any set.
2. Cracking probe temperature range: 300 ~ 1200 ℃, in 10 ℃ increments any set; 5-step temperature program.
3. Cracking probe temperature control rate: 0.01 ℃ ~ 20 / ms divided into 11 gear conversion.
4. Cracking probe temperature control time: 10ms ~ 99s, increments of 10ms.
5. Cleaning temperature: 1200 ℃, for 5s.
6. Analysis results Repeatability: ≤ 2%. (Polystyrene dimer).
7. Dimensions: 387mmX245mmX130mm (length X width X high).
8. Power: 250W.
9. Weight: 7Kg.