Spectroscopy Instruments
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| Brand | Avantes |
|---|---|
| Origin | Netherlands |
| Model | AvaSpec-ULS2048x64-EVO |
| Spectral Range | 200–1160 nm |
| Detector | Back-Illuminated CCD (2048 × 64 pixels, 0.89 mm height) |
| Optical Resolution | 0.09–20 nm (configuration-dependent) |
| Sensitivity | 650,000 counts/µW per millisecond |
| Signal-to-Noise Ratio | 450:1 |
| Stray Light | <1% |
| AD Converter | 16-bit, 1.33 MHz |
| Integration Time | 2.4 ms – 25 s |
| Read Noise | 7.5 counts RMS |
| Data Transfer Rate | 2.44 ms/scan (USB 3.0) |
| Interface | USB 3.0 (5 Gbps), Gigabit Ethernet (1 Gbps), HD-26 digital I/O |
| Power | USB-powered (885 mA) or 12 VDC (420 mA) |
| Dimensions & Weight | 175 × 127 × 44.5 mm, 1180 g |
| Brand | Avantes |
|---|---|
| Origin | Netherlands |
| Model | AvaSpec-ULS2048x64TEC-EVO |
| Spectral Range | 200–1160 nm |
| Detector | Back-Illuminated CCD (2048 × 64 pixels) |
| Resolution (FWHM) | 0.09–20 nm (configurable via slit width & grating) |
| Sensitivity | 300,000 counts/µW per ms integration time |
| Signal-to-Noise Ratio | 550:1 |
| Stray Light | <1% |
| Dark Noise Reduction | 2–3× via thermoelectric cooling |
| Cooling Delta | −35 °C relative to ambient |
| Integration Time | 9.7 ms – 500 s |
| A/D Converter | 16-bit, 500 kHz |
| Interface | USB 2.0 (480 Mbps) / RS-232 (115.2 kbps) |
| Optical Design | Symmetric Czerny-Turner, 75 mm focal length |
| Power Supply | 5 VDC, 3.0 A (instrument) |
| Dimensions & Weight | 250 × 179 × 144 mm, 3.6 kg |
| Brand | Avantes |
|---|---|
| Origin | Netherlands |
| Model | NEXOS™ Series |
| Spectral Range | 190–1100 nm |
| Detector Type | CMOS |
| Signal-to-Noise Ratio | 375:1 (NEXOS™, 2K) / 365:1 (PNEXOS™, 4K) |
| Dynamic Range | 4500 |
| Stray Light | 0.1–1% |
| Communication Interfaces | USB (NEXOS™), RS232/SPI (NEXOS™ Link), Optical Bench Only (NEXOS™ Bench Only) |
| Optical Design | Symmetric Czerny-Turner |
| Pixel Options | 2048 or 4096 |
| Slit Options | Configurable slit widths |
| Brand | Avantes |
|---|---|
| Origin | Netherlands |
| Model | VARIUS™ Series |
| Spectral Range | 190–1100 nm |
| Detector Type | CMOS |
| Signal-to-Noise Ratio | 375:1 (VARIUS™ 2K) / 365:1 (VARIUS™ 4K) |
| Dynamic Range | 4500 |
| Stray Light | 0.1–1% |
| Brand | Avenir |
|---|---|
| Origin | Germany |
| Model | Aris |
| Spectral Range | 185–970 nm, 185–550 nm, 185–420 nm, 350–840 nm, 510–1020 nm |
| Detector Type | CCD |
| Optical Resolution (FWHM) | 0.33–1.40 nm |
| Signal-to-Noise Ratio | 350:1 or 600:1 |
| Dynamic Range | 1900:1 or 5000:1 |
| Stray Light | < 0.08 % |
| Optical Design | Symmetric Czerny-Turner with 50 mm focal length |
| Numerical Aperture | 0.16 |
| Input Slit | User-replaceable 20 µm (standard) |
| Interface | USB 2.0 Full Speed (Type-C), optional UART/SPI/I²C |
| ADC | 16-bit, 2 MHz |
| Power | 5 V via USB or auxiliary connector (4.4–5.5 V), ≤ 70 mA |
| Dimensions | 67.0 × 74.0 × 19.0 mm |
| Weight | 122 g |
| Operating Temperature | –20 to +60 °C |
| Storage Temperature | –40 to +70 °C |
| Compliance | EU EMC Directive 2014/30/EU, RoHS, REACH SVHC, U.S. Conflict Minerals Act |
| Brand | Avenir |
|---|---|
| Origin | Germany |
| Type | Fiber Optic Spectrometer |
| Model | ARIS Compact |
| Spectral Range | UV–VIS–NIR (configurable) |
| Optical Resolution (FWHM, typical) | 0.33–1.10 nm |
| Detector Options | Toshiba TCD1304DG (3648 px) or Hamamatsu S11639-01 (2048 px) |
| Integration Time | 3 µs – 35 min (TCD1304DG) |
| Stray Light Suppression | < 0.01% @ 600 nm |
| SNR | 350:1 (TCD1304DG), 600:1 (S11639-01) |
| Dynamic Range | 1900:1 (TCD1304DG), 5000:1 (S11639-01) |
| Pixel Readout Rate | 1 MHz / 2 MHz |
| Trigger Jitter | ≤10 µs |
| Slit | User-replaceable 20 µm default (optional slits available) |
| Brand | Avenir |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | Aris |
| Price | Upon Request |
| Spectral Range | 185–970 nm, 185–550 nm, 185–420 nm, 350–840 nm, 510–1020 nm |
| Detector | CCD |
| Optical Resolution (FWHM) | 0.33–1.40 nm |
| Signal-to-Noise Ratio | 350:1 or 600:1 |
| Dynamic Range | 1900:1 or 5000:1 |
| Stray Light | < 0.08 % |
| Brand | Avenir |
|---|---|
| Origin | Germany |
| Type | Fiber Optic Spectrometer |
| Model | Aris Miniature Spectrometer |
| Spectral Range | 185–970 nm, 185–550 nm, 185–420 nm, 350–840 nm, 510–1020 nm |
| Detector | CCD/CMOS |
| Resolution (FWHM) | 0.33–1.40 nm (typ.) |
| Signal-to-Noise Ratio | 350 or 600 (max., unaveraged) |
| Dynamic Range | 1900:1 or 5000:1 (single-pixel, unaveraged) |
| Stray Light | < 0.08 % |
| Optical Design | Symmetrical Czerny-Turner |
| Focal Length | 50 mm |
| Numerical Aperture | 0.16 |
| Input Slit | User-replaceable, default 20 µm |
| A/D Converter | 16-bit, 2 MHz |
| Interface | USB 2.0 Full-Speed, UART |
| Dimensions | 67.0 × 74.0 × 19.0 mm |
| Weight | 122 g |
| Operating Temperature | −20 to +60 °C |
| Storage Temperature | −40 to +70 °C |
| Humidity | 0–90% RH (non-condensing) |
| Brand | Avenir |
|---|---|
| Origin | Germany |
| Detector Type | CCD |
| Spectral Range | 350–840 nm |
| Resolution (FWHM) | 0.65 nm (typ.), 0.80 nm (max.) |
| Signal-to-Noise Ratio | 350 (Toshiba TCD1304DG), 600 (Hamamatsu S11639-01) |
| Dynamic Range | 1900:1 (Toshiba), 5000:1 (Hamamatsu) |
| Stray Light | < 0.08 % |
| Optical Design | Symmetric Czerny-Turner, f = 50 mm, NA = 0.16 |
| Input Slit | User-replaceable 20 µm (standard) |
| Interface | USB 2.0 Full-Speed (Type-C), SMA fiber port |
| Dimensions | 67.0 × 74.0 × 19.0 mm |
| Weight | 122 g |
| Operating Temperature | −20 to +60 °C |
| Compliance | EU EMC Directive 2014/30/EU, RoHS, REACH SVHC, U.S. Conflict Minerals Act |
| Brand | Avenir |
|---|---|
| Origin | Germany |
| Model | NYLIS |
| Spectral Range | 185–970 nm, 185–550 nm, 185–420 nm, 350–840 nm, 510–1020 nm |
| Detector Type | CMOS (Hamamatsu S13496) |
| Resolution (FWHM) | down to 0.05 nm |
| Spectral Sampling | 4096 pixels |
| Slit Width (standard) | 10 µm |
| Stray Light | < 0.1% |
| Dynamic Range | 5500:1 (typ.), 1900:1 to 5000:1 (configurable) |
| Signal-to-Noise Ratio | 350–600 (typ. 550, unaveraged) |
| Optical Design | Symmetric Czerny-Turner |
| Focal Length | 120 mm |
| Numerical Aperture | 0.07 |
| Interface | USB 2.0 Full-Speed (Type-C), UART, optional SPI/I²C |
| Power Supply | 4.4–5.5 V DC (via USB or Aux), ≤70 mA |
| Dimensions | 67.0 × 150.0 × 19.0 mm |
| Weight | 178 g |
| Brand | Avenir |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | NYLIS |
| Spectral Range | 185–970 nm, 185–550 nm, 185–420 nm, 350–840 nm, 510–1020 nm |
| Detector Type | CMOS (Hamamatsu S13496) |
| Optical Resolution (FWHM) | 0.05–1.40 nm (configurable) |
| Sensitivity | 0.05 nm resolution mode |
| Signal-to-Noise Ratio | 350 or 600 (typ.), up to 550 (spec.) |
| dynamic range | 1900:1 or 5000:1 (spec.) |
| Stray Light | < 0.08 % |
| Focal Length | 120 mm |
| Slit Width (standard) | 10 µm |
| Pixel Count | 4096 |
| A/D Converter | 16-bit, 2 MHz |
| Interface | USB 2.0 Full-Speed (Type-C), UART, optional SPI/I²C |
| Dimensions | 67.0 × 150.0 × 19.0 mm |
| Weight | 178 g |
| Brand | Avenir |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported |
| Model | Aris |
| Spectral Range | 185–970 nm, 185–550 nm, 185–420 nm, 350–840 nm, 510–1020 nm |
| Detector Type | CCD |
| Resolution (FWHM) | 0.33–1.40 nm |
| Signal-to-Noise Ratio | 350 or 600 (max, unaveraged) |
| Dynamic Range | 1900:1 or 5000:1 |
| Stray Light | < 0.08 % |
| Brand | Avenir |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | Aris |
| Spectral Range | 185–970 nm, 185–550 nm, 185–420 nm, 350–840 nm, 510–1020 nm |
| Detector Type | CCD |
| Optical Resolution (FWHM) | 0.33–1.40 nm |
| Signal-to-Noise Ratio | 350 or 600 (max, unaveraged) |
| Dynamic Range | 1900:1 or 5000:1 |
| Stray Light | < 0.08 % |
| Brand | Avenir |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | ARIS |
| Spectral Range | 185–970 nm, 185–550 nm, 185–420 nm, 350–840 nm, 510–1020 nm |
| Detector Type | CCD |
| Optical Resolution (FWHM) | 0.33–1.40 nm |
| Signal-to-Noise Ratio | 350 or 600 (max, unaveraged) |
| Dynamic Range | 1900:1 or 5000:1 |
| Stray Light | < 0.08 % |
| Brand | Avenir |
|---|---|
| Origin | Germany |
| Model | Sie na |
| Spectral Range | 900–1700 nm, 800–1900 nm, 900–2100 nm |
| Detector Type | InGaAs CCD Array |
| Optical Resolution (FWHM) | 8 nm (typ.), up to 15 nm (max.) |
| Signal-to-Noise Ratio | 1000 (unaveraged) |
| Dynamic Range | 12,000:1 |
| Stray Light | < 0.08 % |
| Entrance Slit | 20 µm (user-replaceable) |
| Interface | USB 2.0 Full-Speed, UART, optional SPI/I²C |
| Power Supply | 5 V DC (4.4–5.5 V), ≤ 60 mW |
| Dimensions | 52.0 × 57.0 × 17.0 mm |
| Weight | 80 g |
| Operating Temperature | –20 °C to +60 °C |
| Compliance | EU EMC Directive 2014/30/EU, RoHS, REACH SVHC, U.S. Conflict Minerals Law |
| Brand | Avenir |
|---|---|
| Origin | Germany |
| Model | Siena |
| Spectral Range | 900–1700 nm, 800–1900 nm, 900–2100 nm |
| Detector Type | InGaAs CCD Linear Array |
| Optical Resolution (FWHM) | 8–15 nm (configurable) |
| Signal-to-Noise Ratio | 1000 (max, unaveraged) |
| Dynamic Range | 12,000:1 |
| Stray Light | < 0.08 % |
| Brand | Avenir |
|---|---|
| Origin | Germany |
| Model | Siena |
| Spectral Range | 900–1700 nm, 800–1900 nm, 900–2100 nm |
| Detector Type | InGaAs CCD Array |
| Optical Resolution (FWHM) | 8–15 nm (configurable) |
| Signal-to-Noise Ratio | 1000 (max, unaveraged) |
| Dynamic Range | 12,000:1 |
| Stray Light | < 0.08 % |
| Brand | Avenir |
|---|---|
| Origin | Germany |
| Detector Type | InGaAs Linear Array (Non-Cooled) |
| Spectral Range | 900–1700 nm / 800–1900 nm / 900–2100 nm |
| Resolution (FWHM) | 8–15 nm (configurable) |
| Signal-to-Noise Ratio | 1000 (max, unaveraged) |
| Dynamic Range | 12,000:1 |
| Stray Light | < 0.08 % |
| Entrance Slit | User-Replaceable (default 20 µm) |
| Optical Design | Symmetric Czerny-Turner, f = 30 mm, NA = 0.19 |
| Interface | USB 2.0 Full-Speed (Type-C), UART, optional SPI/I²C |
| Power | 5 V DC (4.4–5.5 V), ≤60 mW |
| Dimensions | 52.0 × 57.0 × 17.0 mm |
| Weight | 80 g |
| Operating Temperature | −20 to +60 °C |
| Compliance | EU EMC Directive 2014/30/EU, RoHS, REACH SVHC, U.S. Conflict Minerals Act |
| Brand | Avenir |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | Siena |
| Spectral Range | 900–1700 nm, 800–1900 nm, 900–2100 nm |
| Detector Type | CCD |
| Optical Resolution (FWHM) | 8 nm |
| Signal-to-Noise Ratio | 1000 |
| Dynamic Range | 12,000:1 |
| Stray Light | < 0.08 % |
| Brand | AZUP |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | AZ-UX20 |
| Operating Principle | Snapshot (Snapshot Fourier-transform–free, lenslet-based light-field hyperspectral imaging) |
| Imaging Mode | Dispersive (prism-grating hybrid dispersion with tiled detector architecture) |
| Deployment | Ground-based and UAV-mounted |
| Spectral Range | 350–1000 nm |
| Spectral Sampling Interval | 4 nm |
| Spectral Resolution | 8 nm @ 532 nm |
| Number of Spectral Bands | 164 (expandable) |
| Spatial Resolution (IFOV) | >3.5 MP × 2 CMOS/CCD sensor array |
| Field of View (TFOV) | 35° |
| Frame Rate | 5 hyperspectral data cubes per second |
| Radiometric Resolution | 12-bit digitization |
| Integration Time | 0.1–1000 ms |
| Data Interface | Dual Gigabit Ethernet |
| Geotagging | GPS/BeiDou coordinate triggering supported |
| Weight | ≤600 g |
| Operating Temperature | 0–40 °C |
| Calibration Support | Reflectance calibration with 30 cm × 30 cm diffuse white reference panel |
| Brand | B&W Tek |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported Instrument |
| Model | BTC665N |
| Pricing | Upon Request |
| Spectral Range | 532–1100 nm |
| Detector | Back-Illuminated CCD |
| Optical Resolution (FWHM) | 0.16–0.37 nm |
| Sensitivity | 75 photons/count @ 400 nm |
| Dynamic Range | 50,000 (typical) |
| Stray Light | <0.08% @ 600 nm |
| Brand | B&W Tek |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | DIY Raman – 1064 |
| Instrument Type | Grating-Based Raman Spectrometer |
| Spectral Range | 1047 nm – 1450 nm |
| Spectral Resolution | 10 cm⁻¹ @ 1296 nm |
| Excitation Wavelength | 1064 nm |
| Raman Shift Range | 100 – 2500 cm⁻¹ (probe-dependent) |
| Detector | Linear InGaAs Array |
| Thermoelectric Cooling | −20 °C |
| Dimensions | 163 mm × 93.6 mm × 67.8 mm |
| Weight | ~1.25 kg |
| Laser Module | BRM-1064-450-100-22-DIY (450 mW standard, customizable power) |
| Probe Model | BAC100B-1064-HT |
| Laser Attenuation | OD6 (default) |
| Probe Shaft Material | 304 Stainless Steel |
| Probe Shaft Length | 76.2 mm |
| Probe Shaft Diameter | 9.4 mm |
| Working Distance | 5.9 mm |
| Max Operating Temperature | 80 °C (non-immersion) |
| Brand | B&W Tek |
|---|---|
| Origin | USA |
| Model | DIY Raman – 785 |
| Spectrometer Type | Grating-based Raman Spectrometer |
| Spectral Range | 788–1067 nm |
| Spectral Resolution | 4.5 cm⁻¹ @ 912 nm |
| Excitation Wavelength | 785 nm |
| Raman Shift Range | 150–3350 cm⁻¹ (dependent on probe selection) |
| Detector | Back-illuminated CCD (2048-pixel), TE-cooled to –25 °C (research-grade) |
| Dimensions (research-grade) | 220 × 180 × 130 mm |
| Weight (research-grade) | 3.4 kg |
| Laser Compliance | FDA 21 CFR 1040 (component-level sale only) |
| Brand | Metrohm |
|---|---|
| Origin | USA |
| Manufacturer | B&W Tek |
| Instrument Type | Portable/HANDHELD Raman Spectrometer |
| Spectral Range | 175–2500 cm⁻¹ |
| Spectral Resolution | ≤9.5 cm⁻¹ @ 1295.66 nm |
| Minimum Wavenumber | 175 cm⁻¹ |
| Spectral Repeatability | ±1 cm⁻¹ |
| Detector | TE-cooled InGaAs array |
| Dynamic Range | 25,000:1 |
| A/D Resolution | 16-bit (65,535:1) |
| Integration Time | 200 µs – >20 min |
| Laser | CleanLaze® 1064 nm diode, ≤450 mW, 0–100% linear power control in 10% steps |
| Power Supply | 12 V DC @ 6.6 A or 100–240 V AC, 50–60 Hz |
| Dimensions | 17 × 34 × 23.4 cm |
| Weight | ~3.5 kg |
| Interface | USB 2.0/1.1 |
| Trigger | 5 V TTL |
| Brand | Batop |
|---|---|
| Origin | Germany |
| Model | TDS10XX |
| Spectral Range | 0.05–4 THz (laser-dependent) |
| Spectral Resolution | 2 GHz (equivalent to ~0.025 cm⁻¹) |
| Imaging Resolution | 1280 × 1024 pixels |
| Field of View (TFOV) | 8° |
| Instantaneous Field of View (IFOV) | 0.18 mrad |
| Frame Rate | 15 fps |
| Beam Diameter | 22 mm (collimated), 1 mm @ 1 THz (focused) |
| Sample Size Support | up to 30 × 30 mm (collimated), ≥5 × 5 mm (focused) |
| Dynamic Range | >65–75 dB |
| Scan Range | 500–650 ps |
| THz Pulse Repetition Rate | 1–30 kHz (10 kHz default) |
| Bias Voltage for PCA Emitter | 10 V |
| Operating Mode | Free-space or fiber-coupled (1550 nm / 1060 nm options) |
| Environmental Compatibility | N₂-purged sample chamber |
| Brand | BaySpec |
|---|---|
| Origin | USA |
| Manufacturer | BaySpec, Inc. |
| Type | Portable / Handheld Raman Spectrometer |
| Model | Nano-LB |
| Spectral Range | 300–2000 cm⁻¹ or 300–2500 cm⁻¹ (configurable) |
| Spectral Resolution | 12–15 cm⁻¹ (Rayleigh criterion) |
| Dimensions | 63 mm × 39 mm × 17 mm (compact variant) / 70 mm × 56 mm × 27 mm (belt-wearable variant) |
| Weight | 63 g / 118 g |
| Laser Source | Integrated diode laser, output power <150 mW (software-adjustable) |
| Power Supply | Rechargeable Li-ion battery, ≥8 h continuous operation |
| Connectivity | Bluetooth 5.0 + USB 3.0 |
| Control Interface | LightSpec mobile app (Android) and PC software |
| Detection Mode | Point-and-shoot with ergonomic button or software-triggered acquisition |
| Brand | BaySpec |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Import Status | Imported |
| Model | OCI-M |
| Operating Principle | Pushbroom Scanning |
| Imaging Modality | 3D Hyperspectral Data Cube Acquisition |
| Deployment Platform | Ground-based and Airborne Compatible |
| Spectral Range | 400–1000 nm |
| Spectral Resolution | 5 nm (FWHM) |
| Spatial Resolution | 1000 pixels across track × L pixels along track |
| Total Field of View (TFOV) | 18° |
| Frame Rate | 120 fps |
| Interface | USB 3.0 |
| Dimensions | 30 mm × 30 mm × 75 mm |
| Weight | 117 g |
| Real-time Preview | Yes |
| Scan Time per Cube | ≤5 s |
| Data Cube Generation Time | ≤10 s |
| Brand | Beifen Ruili |
|---|---|
| Origin | Beijing, China |
| Model | AES-8000 Series |
| Instrument Type | Benchtop Direct-Reading Spectrometer |
| Excitation Source | AC/DC Arc |
| Detector | UV-Sensitive CMOS Array |
| Focal Length | 600 mm |
| Grating Grooves | 2400 lines/mm |
| Wavelength Range | 230–340 nm |
| Spectral Coverage | Full-Spectrum Acquisition |
| Optical Design | Vertical Symmetric Ebert-Fastie |
| Reciprocal Linear Dispersion | 0.64 nm/mm (1st order) |
| Theoretical Spectral Resolution | 0.003 nm @ 300 nm |
| Spectrometer Chamber Temperature Control | 35 °C ± 0.1 °C |
| Arc Current Range | 2–20 A (AC), 2–15 A (DC) |
| Dimensions (L×W×H) | 1500 × 820 × 650 mm |
| Weight | ~180 kg |
| Operating Environment | 15–30 °C, RH < 80 % |
| Brand | Beifen Ruili |
|---|---|
| Origin | Beijing, China |
| Model | AF-640A |
| Instrument Type | Multi-channel Atomic Fluorescence Spectrometer |
| Sample Introduction | Peristaltic Pump |
| Detectable Elements | As, Sb, Bi, Se, Te, Pb, Sn, Hg, Cd, Ge, Zn, Au (12 elements) |
| Relative Standard Deviation (RSD) | <1% |
| Linear Dynamic Range | >3 orders of magnitude |
| Detection Limits | As, Sb, Bi, Se, Te, Pb, Sn: <0.01 µg/L |
| Hg, Cd | <0.001 µg/L |
| Ge | <0.05 µg/L |
| Zn | <1.0 µg/L |
| Au | <3.0 µg/L |
| Brand | Beifen Ruili |
|---|---|
| Origin | Beijing, China |
| Model | AF3000 |
| Instrument Type | Multi-channel Atomic Fluorescence Spectrometer |
| Sample Introduction | Peristaltic Pump |
| Detectable Elements | As, Sb, Bi, Se, Te, Pb, Sn, Hg, Cd, Ge, Zn, Au, Ag, Co, Cu, Ni |
| Relative Standard Deviation (RSD) | < 0.7% |
| Linear Dynamic Range | > 3 orders of magnitude |
| Detection Limits | As, Sb, Bi, Se, Te, Pb, Sn < 0.01 µg/L |