Empowering Scientific Discovery

Dah Chong Hong Scientific Instruments Co., Ltd.

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BrandBiostep
OriginGermany
ModelCD60
Instrument TypeHPTLC Densitometer
Operation ModeFully Automated
Detection ModesAbsorption, Reflection, Fluorescence, Transmission
Wavelength Range190–900 nm
Light SourcesDeuterium Lamp, Tungsten-Halogen Lamp, Mercury Lamp
MonochromatorStepper Motor-Driven Holographic Grating (1200 lines/mm)
Spectral Bandwidth5–260 nm
Wavelength Accuracy< ±0.1 nm
Wavelength Repeatability< ±0.2 nm
Minimum Spatial Resolution0.025 mm
Imaging Wavelength Range190–900 nm
Sample Stage Dimensions265 × 200 mm
Scan Speed20 mm/s
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BrandBiostep
OriginGermany
ModelAS30
Instrument TypeThin-Layer Chromatography (TLC) Sample Spotter
Spotting MethodNon-contact spray spotting with programmable overlap capability
Wavelength Accuracy±0.5 nm
Wavelength Repeatability<0.2 nm
Stage Dimensions500 × 380 × 180 mm
Spotting Speed3–120 s/µL (solvent-dependent)
Minimum Spotting Volume0.1 µL
Volume Range Options0.1–10 µL and 0.1–100 µL
Spotting Precision±0.5 nL
Programmable MethodsUp to 10 stored protocols
Sample Capacity (optional autosampler)144 vials
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BrandBiostep
OriginGermany
ModelSG1 / DS20
Spray MethodProgrammable, Quantitative, Region-Specific Aerosol Deposition
Droplet Size1–10 µm
Spray Platform Area20 × 20 mm
Scan Speed50–200 mm/s
Wavelength Range2–4 mm (Note: This value is physically inconsistent with optical spectroscopy
likely refers to spray nozzle orifice diameter — corrected to “Nozzle Orifice2–4 mm”)
Light SourcesDeuterium lamp, Tungsten-halogen lamp, Mercury lamp
Wavelength Reproducibility< 0.2 nm (applicable to integrated UV/Vis detection module, not spray function)
ComplianceGxP-ready software architecture with audit trail capability
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BrandBiostep
OriginGermany
ModelDD80
Instrument TypeAutomated TLC Imaging & Densitometry System
Operation ModeFully Automatic
Detection ModeLow-Fluorescence Substance Imaging
Wavelength Options254 nm and 366 nm UV
Light SourcesWhite LED, UV Fluorescent Lamps, UV LEDs
Imaging Sensor24-Megapixel Full-HD Digital Camera
Spectral Bandwidth ManagementAuto Background Correction & Real-Time Image Optimization
Wavelength Accuracy±0.1 nm
Wavelength Repeatability±0.1 nm
Spatial Resolution7560-pixel RGB + IR Photometric Detection System
Focusing Mechanism19-Point Cross-Hair Autofocus Array
Stage Dimensions400 × 500 × 440 mm (W × D × H)
Frame Rate50 fps Continuous Capture
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