色谱耗材
Chromatography Consumables
Photo for reference; configuration may vary by order.
Model No. CHC-0002 · Laboratory Consumables
GC Injection Port Septum
气相进样口隔垫
Worn septa cause leaks, ghost peaks and drifting retention times. These silicone septa, plain or PTFE-faced, are low-bleed grade and rated up to 350 °C. Typical diameters are 9–11 mm, they reseal after the needle leaves and last up to several hundred injections; replace them on a regular schedule.
- Material
- Silicone or PTFE-faced silicone
- Max temperature
- Up to 350 °C
- Bleed
- Low-bleed grade
- Diameter
- 9–11 mm typical
- Pierce count
- Up to several hundred
Packing & Shipping
| Place of origin | China (dispatched from Shanghai) |
|---|---|
| Brand | Liquid International / OEM on request |
| Export packing | Fumigation-free plywood case or reinforced carton |
| Loading port | Shanghai / Ningbo (others on request) |
| Payment terms | T/T, L/C at sight (confirmed on quotation) |
| Trade terms | EXW, FOB, CFR, CIF, DAP |
Typical export terms — final terms are confirmed on the proforma invoice.
Product Description 产品描述
Worn septa cause leaks, ghost peaks and drifting retention times. These silicone septa, plain or PTFE-faced, are low-bleed grade and rated up to 350 °C. Typical diameters are 9–11 mm, they reseal after the needle leaves and last up to several hundred injections; replace them on a regular schedule.
Highlights
- Low-bleed silicone, plain or PTFE-faced
- Rated up to 350 °C
- Typical diameters of 9–11 mm
- Reseals after the needle exits, lasting several hundred injections
Applications
- GC and GC-MS injection
- Residual solvent testing
- Trace analysis
- High-temperature methods
Specifications 技术参数
| Parameter | Value |
|---|---|
| Material 材料 | Silicone or PTFE-faced silicone |
| Max temperature 最高温度 | Up to 350 °C |
| Bleed 流失 | Low-bleed grade |
| Diameter 直径 | 9–11 mm typical |
| Pierce count 穿刺次数 | Up to several hundred |
| Facing 覆面 | PTFE option |
| Seal 密封 | Reseals on needle exit |
| Replacement 更换 | Scheduled |
| Leak symptoms 泄漏症状 | Peak shape and retention shifts |
| Use 用途 | GC inlet sealing |
| Model No. | CHC-0002 |
| Place of origin | China (dispatched from Shanghai) |
Applicable standards 适用标准
USP <621> (chromatography)
USP <467> (residual solvents)
USP <788> (particulate matter in injections)
ISO/IEC 17025 (testing and calibration laboratories)
USP <1058> (analytical instrument qualification)
Chinese national standards (GB/T, JJG) and international standards referenced for this product type. Test reports and certificates are supplied with the quotation on request.
Packing & Shipping 包装与运输
Export packing
Fumigation-free plywood case or reinforced carton
Every unit is power-tested before packing; enclosed in shock foam and moisture barrier; wooden cases comply with ISPM 15.
Loading port
Shanghai / Ningbo (others on request)
Full container load (FCL), less-than-container load (LCL) or air freight; complete export documentation provided.
Inquiry Now 索取报价
Complete the form below — an export engineer will send technical configurations and a formal proforma invoice within 24 hours.
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