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| Brand | Polytech |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | EVA32 |
| Price | USD 8,400 (FOB Anhui) |
| Brand | J2 Scientific |
|---|---|
| Origin | USA |
| Model | PrepLinc 2 Platform |
| Flow Rate | 0.01–10.00 mL/min |
| Maximum Pressure | 2500 PSI |
| Flow Stability | ±0.5% |
| Autosampler Volume Range | 100 µL – 1000 mL |
| Autosampler Capacity | 36 positions |
| Integrated Modules | GPC Purification, SPE Extraction, AccuVap® Quantitative Evaporation |
| UV Detection Options | Fixed- or Variable-Wavelength Detector |
| Solvent Exchange Capability | Yes |
| Column Compatibility | Glass GPC columns (700 × 25 mm), High-Efficiency GPC columns (300 × 20 mm), SPE cartridges (1–15 mL) |
| Software Control | Unified platform with audit trail, method storage, and sequence scheduling |
| Compliance Support | ASTM D7067, ISO 17025 workflows, FDA 21 CFR Part 11–ready data handling |
| Brand | Polytech |
|---|---|
| Model | VPS-12/20/32/48 |
| Sample Capacity | 12/20/32/48 positions |
| Heating Method | Water-bath (uniform temperature control) |
| Vacuum Concentration Mode | Negative-pressure evaporation with condensate trap and end-point detection |
| Sample Volume Range | ≥65 mL (with optional low-volume kit) |
| Evaporation Endpoint Protection | Automatic pressure modulation at ~1 mL residual volume |
| Agitation | Adjustable orbital vortex shaking |
| Control Interface | 7-inch HD touchscreen, Chinese-language UI |
| Method Storage | Up to 100 pre-programmed protocols |
| Cooling Requirement | Compatible with standard laboratory recirculating chillers |
| Vacuum Source | External vacuum pump compatible |
| Concentration Lid | Heated lid to prevent condensate reflux and cross-contamination |
| Sealing Design | Quick-release individual well seals |
| Compliance | Designed for GLP-compliant sample preparation workflows |
| Brand | J2 Scientific |
|---|---|
| Origin | USA |
| Model | PrepLinc2 |
| Flow Rate | 0.01–10.00 mL/min |
| Maximum Pressure | 2500 psi |
| Flow Stability | ±0.5% RSD |
| Autosampler Volume Range | 100 µL–1000 mL |
| Autosampler Capacity | 36 positions |
| Pump Type | Integrated Dual-Plunger HPLC Pump |
| UV Detection | Built-in 254/280 nm Dual-Wavelength Detector |
| System Architecture | Fully Integrated GPC Purification + Online Solvent Evaporation Platform |
| Brand | Polytech |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | PL2 |
| Flow Rate | 0.01–10.00 mL/min |
| Maximum Pressure | 2500 psi |
| Flow Stability | ±0.5% RSD |
| Auto-sampler Volume Range | 100 µL – 10 mL |
| Auto-sampler Capacity | 36 positions |
| Pump Precision | ≤0.01% RSD (accuracy ≤0.1%) |
| Injection Reproducibility | ≤1% RSD |
| Column Protection | Integrated bypass valve with automatic standby-mode hydration control |
| Detection | Built-in UV detector |
| System Architecture | Integrated piston pump, UV detector, autosampler, and column protection module |
| Brand | Polytech |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | EVA08 |
| Pricing | Available upon Request |
| Brand | J2 Scientific |
|---|---|
| Origin | USA |
| Model | PrepLinc2 GPC |
| Flow Rate | 0.01–10.00 mL/min |
| Maximum Pressure | 2500 psi |
| Flow Stability | ±0.5% RSD |
| Auto-sampler Volume Range | 100 µL–10 mL |
| Auto-sampler Capacity | 36 positions |
| Configuration | Integrated dual-piston pump and UV detector |
| Compliance | Designed for GLP/GMP-aligned workflows and ASTM D5297, ISO 11348, USP <621> chromatographic system suitability |
| Brand | Polytech |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | JF-602 Plus |
| Pricing | Available Upon Request |
| Brand | J2 Scientific |
|---|---|
| Origin | USA |
| Model | Preplinc2 AccuVap |
| Heating Temperature Range | Ambient to 100 °C (±0.1 °C) |
| Vacuum Range | 100–760 Torr |
| Endpoint Volume Selection | 1–5 mL or dry-down mode |
| Liquid-Level Detection | RF-combined optical sensing with temperature compensation |
| Injection Pump | 5 mL zero-dead-volume syringe pump (precision <0.1% typ., repeatability <0.01% typ.) |
| Solvent Compatibility | Up to 3 solvents, programmable in-line solvent exchange |
| Final Volume Accuracy | ±0.02 mL |
| Sample Throughput | Fully automated batch processing of multiple samples (10 mL–1 L per run) |
| Cleaning Modes | Heated solvent rinse, nitrogen purge, steam-assisted thermal cleaning, tool-free cup disassembly |
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