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| Brand | LiquriTech |
|---|---|
| Model | LQ-5Z-H2SO4 |
| Origin | Japan |
| Detection Principle | Conductivity-Based Electrochemical Measurement |
| Measurement Range | 0.00–2.00% H₂SO₄ (w/w) |
| Sample Temperature Range | 0.0–40.0 °C |
| Electrode Material | PPS (Polyphenylene Sulfide) Body with Stainless Steel Sensing Elements |
| Temperature Compensation | Automatic (NTC-based, 0–40 °C) |
| Calibration | Zero & Span Calibration via Manual Adjustment |
| Ingress Protection | IP66 |
| Power Supply | 3 × LR03 (AAA) Alkaline Batteries with Auto-Shutdown |
| Electrode Cable Length | 1 m |
| Instrument Dimensions | 38(H) × 75(W) × 180(D) mm |
| Electrode Dimensions | Ø17 × 180 mm |
| Instrument Weight | ~300 g |
| Electrode Weight | ~50 g |
| Compliance | CE-marked for industrial use |
| Brand | Rikorika |
|---|---|
| Origin | Japan |
| Model | CL-11Z |
| Instrument Type | Portable |
| Measurement Range | 0–2000 mg/L (ppm) Cl⁻ |
| Detection Limit | 0.1 mg/L |
| Response Time | 1 s |
| Accuracy | ±2% of reading |
| Temperature Compensation | Automatic (NTC thermistor) |
| Operating Temperature | 0–45 °C |
| IP Rating | IP67 |
| Display | 4-digit LCD with backlight |
| Resolution | 0.1 mg/L (0.1–99.9 mg/L), 1 mg/L (100–2000 mg/L) |
| Repeatability | ±2 mg/L (0.1–99.9 mg/L), ±5 mg/L (100–2000 mg/L) |
| Memory Capacity | 30 data points |
| Dimensions (main unit) | 70 × 40 × 173 mm (W × H × D) |
| Weight (main unit + electrode + 1 m cable) | ~430 g |
| Standard Accessories | CLD-11 chloride-selective electrode, CLSLN-10-50 & CLSLN-1000-50 standard solutions (50 mL each), CLDLQ-30 internal filling solution (30 mL), two syringes, ISAB solution (50 mL), user manual, warranty card, AA batteries |
| Brand | Rikuri |
|---|---|
| Origin | Japan |
| Model | CuNi-5Z |
| Instrument Type | Portable |
| Detection Principle | Photometric (Absorbance-based) |
| Target Analytes | Cu²⁺, Ni²⁺ |
| Measurement Range | Cu: 0.0–80.0 g/L |
| CuSO₄ | 0.0–300 g/L |
| Ni | 0.0–199.9 g/L |
| Absorbance | 0.000–1.999 AU |
| Temperature | 0.0–50.0 °C |
| Accuracy | ±2% FS |
| Resolution | 0.1 g/L (for metal ions) |
| Response Time | 1 s |
| Operating Environment | −5–45 °C, ≤85% RH |
| Power Supply | 3× AAA alkaline batteries (LR03) |
| Sensor Wetted Materials | PPS, PFA, Fluoroelastomer |
| Cable Length | 2 m |
| Brand | Kasuri |
|---|---|
| Origin | Japan |
| Model | KF-502 |
| Instrument Type | Online Fluoride Ion Analyzer |
| Measurement Range | 0–1000 mg/L |
| Detection Limit | 0.1 mg/L |
| Response Time | 1 s |
| Accuracy | ±0.1 mg/L (within range) |
| Resolution | 0.1 mg/L (0–199.9 mg/L), 1 mg/L (200–1000 mg/L) |
| Repeatability | ±2% FS |
| Output Signal | Isolated DC 4–20 mA (≤500 Ω load) |
| Calibration | Zero & Span |
| Power Supply | AC 85–240 V, 50/60 Hz |
| Operating Environment | 0–40 °C, ≤85% RH |
| Dimensions | 96 W × 96 H × 163 D mm |
| Weight | ~1.3 kg |
| pH Range for Accurate Measurement | 4.0–9.0 |
| Electrode Principle | Solid-State Ion-Selective Membrane (ISM) |
| Brand | Kasuri Rikka |
|---|---|
| Origin | Japan |
| Model | CU-5Z |
| Instrument Type | Portable |
| Ion Detection Capability | Multi-ion (Cu²⁺-optimized) |
| Measurement Principle | UV-Vis Spectrophotometry (LED-based, dual-wavelength with reference light) |
| Measuring Range | Cu²⁺: 0.0–76.3 g/L |
| CuSO₄ | 0.0–300 g/L |
| Molarity | 0.000–1.200 mol/L |
| Detection Limit | 0.1 g/L (as Cu) |
| Accuracy | ±2% of theoretical value (under controlled calibration conditions) |
| Response Time | 1 s |
| Operating Temperature | 5–45 °C |
| Relative Humidity | ≤85% RH |
| Power Supply | 3× AAA alkaline batteries (LR03), auto-off after 30 min |
| Dimensions | 38 mm (H) × 75 mm (W) × 180 mm (D) |
| Weight | ~300 g |
| Sensor Material | Chemically resistant alloy with inert optical interface |
| Temperature Compensation | Automatic (NTC-based) |
| Display | 3½-digit LCD |
| Brand | Rikori |
|---|---|
| Origin | Japan |
| Model | H2SO4-55 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measurement Parameter | Sulfuric Acid Concentration |
| Range | 0.0–199.9 g/L |
| Resolution | 0.1 g/L |
| Repeatability | ±5% FS |
| Reproducibility | ≤5% |
| Response Time | 5 s after power-on |
| Measurement Time | ~60 s per sample |
| Auto-Power-Off | 5 s after measurement hold |
| Calibration | Zero and span calibration required prior to use |
| Light Source | LED |
| Power Supply | 4× AAA alkaline batteries (LR03), DC 6 V |
| Dimensions | 88 × 174 × 65 mm (W×D×H) |
| Weight | ~310 g |
| Standard Accessories | Instrument body, 4× AAA batteries, three cuvettes, H2SO4-RA reagent (500 mL), span calibration cuvette (1×), 5-mL dropper, 0.1-mL micropipette, instruction manual, warranty card, carrying case |
| Brand | Rikari Chemical |
|---|---|
| Origin | Japan |
| Model | Ni-502L |
| Instrument Type | Portable Multi-Ion Analyzer |
| Measurement Range | 0.0–199.9 g/L Ni |
| Detection Limit | 0.01 g/L Ni |
| Response Time | ≤20 s |
| Accuracy | ±2% of Full Scale (FS) |
| Operating Temperature | 0–50 °C |
| Sensor Material | FEP and PVC (chemically resistant) |
| Measurement Modes | Nickel Concentration (g/L), Absorbance (Abs), User-Defined Calibration (e.g., NiSO₄ concentration, molarity) |
| Brand | Rikorika |
|---|---|
| Origin | Japan |
| Model | CU-5ZL |
| Instrument Type | Portable |
| Measurement Range | 0–76.3 g/L Cu²⁺ |
| Detection Limit | 1 g/L |
| Operating Temperature | −5°C to +45°C |
| Accuracy | ±2% of theoretical value (under specified conditions) |
| Calibration | Span calibration using certified Cu standard solution |
| Power Supply | 3× AAA alkaline batteries (LR03), auto-off after 30 min |
| Dimensions | 38 mm (H) × 75 mm (W) × 180 mm (D) |
| Weight | ~300 g |
| Display | 3½-digit LCD |
| Measurement Modes | Cu²⁺ (g/L), Cu molarity (mol/L), CuSO₄ (g/L) |
| Optical System | LED light source with reference beam and automatic intensity compensation |
| Sensor Material | Chemically resistant alloy optimized for acidic electroplating baths (H₂SO₄, H₂O₂ tolerant) |
| Temperature Compensation | Built-in thermistor with real-time correction algorithm |
| Brand | Rikagaku |
|---|---|
| Origin | Japan |
| Model | CR-30 |
| Measurement Principle | Platinum-Cobalt Spectrophotometric Method |
| Range | 0.0–50.0 Pt-Co Units |
| Repeatability | ±0.5 Pt-Co Units (at constant temperature) |
| Operating Temperature | 5–35°C |
| Storage Temperature | −10–35°C |
| Protection Rating | IP63 |
| Power Supply | 4 × LR1 (1.5 V) alkaline batteries (DC 6 V) |
| Dimensions | 54 × 38 × 350 mm |
| Weight | ~300 g |
| Sensor Immersion Depth | Fixed reference level |
| Zero Calibration | Deionized or distilled water |
| Span Calibration | Optional Pt-Co standard solution (e.g., 10 Pt-Co units, 250 mL) |
| Display Alerts | BAT (low battery), ERR (error), S (sensor fault), CAL (calibration mode) |
| Over-range Indication | Upper limit value blinking |
| Sample Compatibility | Clear, low-turbidity aqueous samples (e.g., drinking water, swimming pool water) |
| Exclusions | Organic solvents, strong alkalis, hydrofluoric acid |
| Brand | Rikari Chemical |
|---|---|
| Origin | Japan |
| Model | AquaTester 10 |
| Instrument Type | Portable |
| Measurement Principle | Visual Colorimetric Comparison (DPD & BTB Methods) |
| Measured Parameters | Free Chlorine, Total Chlorine, Residual Chlorine, pH, Total Hardness (as CaCO₃) |
| Range | Free Chlorine: 0.05–2.0 mg/L (low-range DPD) |
| Total/Residual Chlorine | 10–200 mg/L (high-range HOCl-K) |
| pH | 5.8–8.6 |
| Total Hardness | 5–300 mg/L as CaCO₃ |
| Accuracy | ±2% of reading |
| Repeatability | ±3% RSD |
| Resolution | 1 ppm (for chlorine parameters) |
| LOD | 1 ppm |
| Included Reagents | 50× DPD-F-1 (free chlorine), 50× DP-TL-1 (total chlorine), 50× RC-7Z (active chlorine), 18 mL BTB-7Z (pH indicator), 18 mL BTS liquid reagent (pH), and TH-7Z hardness reagents |
| Brand | Rikari |
|---|---|
| Origin | Japan |
| Model | RC-3F |
| Instrument Type | Portable |
| Measurement Principle | DPD Spectrophotometry |
| Measured Parameter | Free Chlorine (as Cl₂) |
| Range | 0–500 mg/L |
| Accuracy | ±2% of reading |
| Repeatability | ±2% RSD |
| Resolution | 1 mg/L |
| LOD | 1 mg/L |
| Power | 4 × AAA alkaline batteries (DC 6 V) |
| Operating Temperature | 5–35 °C |
| Dimensions | 75 × 180 × 38 mm (W × D × H) |
| Sample Volume | 5 mL |
| Reagent | HOCl-K-1 powder packet (single-use, pre-dosed) |
| Display | 3-digit LCD |
| Auto-off | 5 seconds after measurement |
| Hold function | Yes |
| Over-range alert | Flashing display above 550 mg/L |
| Brand | Rikorika |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | IR-V1 |
| Pricing | Upon Request |
| Measurement Principle | Infrared Absorption Photometry |
| Measurable Analytes | TMAH, H₂SO₄, HCl, NaOH, H₂O₂ |
| Concentration Ranges | H₂SO₄: 0–500 g/L |
| HCl | 0–200 g/L |
| NaOH | 0–300 g/L |
| TMAH | 0–250 g/L |
| H₂O₂ | 0–350 g/L |
| Sample Temp. Range | 0.0–35.0 °C |
| Calibration | Zero calibration standard |
| Memory Capacity | Up to 19 measurement records |
| Power Supply | 4× LR03 alkaline batteries |
| Auto-Power-Off | After 10 min inactivity |
| Sample Volume | ~1 mL |
| Dimensions (W×H×D) | 88×174×65 mm |
| Weight | ~310 g |
| Standard Accessories | Instrument body, measurement cell, batteries, instruction manual, warranty card |
| Brand | Riken Keiki |
|---|---|
| Model | F-10Z |
| Type | Portable Fluoride-Specific Ion Analyzer |
| Measurement Principle | Solid-State Lanthanum Fluoride (LaF₃) Single-Crystal Membrane Electrode |
| Measuring Range | 0–2000 mg/L F⁻ |
| Detection Limit | 1 mg/L F⁻ |
| Resolution | 0.1 mg/L (0.1–99.9 mg/L), 1 mg/L (100–2000 mg/L) |
| Accuracy | ±1% of reading |
| Response Time | ≤10 s (t₉₀) |
| Temperature Compensation | Automatic, semiconductor-based (0–45 °C) |
| Display | 4-digit LCD (F⁻: mg/L |
| mV | −1000 to +1000 mV) |
| Reproducibility | ±2 mg/L (≤99.9 mg/L), ±5 mg/L (100–2000 mg/L) |
| Calibration | Two-point using certified F⁻ standards (2 mg/L and 200 mg/L) |
| Memory Capacity | 30 measurement records |
| Ingress Protection | IP67 |
| Power Supply | DC 4.5 V (3 × AAA LR03 batteries) |
| Auto-Power-Off | After 30 min idle |
| Dimensions | 70 × 36 × 170 mm (W × H × D) |
| Weight | ~290 g (incl. batteries) |
| Housing Material | ABS plastic |
| Compliance | RoHS-compliant, lead-free soldering |
| Brand | Kikuchi |
|---|---|
| Origin | Japan |
| Model | EC-5Z |
| Measurement Principle | AC 3-Electrode Conductometry |
| Display | 4-digit, dual-line LCD (simultaneously shows conductivity and temperature) |
| Temperature Compensation | Automatic (NTC thermistor), user-selectable temperature coefficient (0.00–9.99 %/°C) |
| Electrode Constant Adjustment | Fully programmable (100 m⁻¹ or 400 m⁻¹ preconfigured |
| Operating Temperature Range | 0–100 °C |
| IP Rating | IP66 |
| Power Supply | 3 × LR03 (AAA) alkaline batteries with auto-power-off |
| Dimensions | 38 × 75 × 180 mm (H×W×D) |
| Weight | ~300 g |
| Electrode Materials | PPS housing, fluorocarbon O-rings, carbon sensing elements, polypropylene cable |
| Cable Length | 2 m standard |
| Compatible Electrodes | ECD-1C (100 m⁻¹, for low–mid range), ECD-4C (400 m⁻¹, for mid–high range) |
| Units | SI (S/m, mS/cm, µS/cm) and legacy units (mho/cm, etc.) switchable |
| Measurement Parameters | Conductivity, salinity (calculated), temperature |
| Brand | Rikori |
|---|---|
| Origin | Japan |
| Model | H2O2-V7 |
| Instrument Type | Portable |
| Measurement Principle | UV Absorption Photometry (254 nm LED source) |
| Measurement Parameter | Hydrogen Peroxide (H₂O₂) |
| Range | 0–4000 mg/L (ppm) |
| Accuracy | ±2% of full scale |
| Repeatability | ±2% of full scale |
| Resolution | 1 mg/L |
| Detection Limit | 0.5 mg/L |
| Response Time | ≤10 s |
| Operating Temperature | 1–35 °C |
| Power Supply | DC 6 V |
| Dimensions | 88 × 174 × 65 mm |
| Weight | 310 g |
| Compliance | Designed for industrial process monitoring per ISO 7027 principles (UV absorbance-based quantification), compatible with GLP-aligned data recording workflows |
| Brand | Riken Keiki |
|---|---|
| Origin | Japan |
| Model | CL-502 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Solid-State Membrane Chloride-Selective Electrode (CSE) |
| Measuring Range | 10–1000 mg/L (customizable up to >1000 mg/L) |
| Detection Limit | 1 mg/L |
| Response Time | ≤1 s |
| Accuracy | ±1% of full scale |
| Repeatability | ±2% FS |
| pH Operating Range | 3.0–10.0 |
| Output Signal | Isolated DC 4–20 mA (load ≤500 Ω, three selectable ranges: 0–100 / 0–500 / 0–1000 mg/L) |
| Power Supply | AC 85–240 V, 50/60 Hz |
| Operating Environment | 0–40 °C, ≤85% RH |
| Dimensions | 96 W × 96 H × 163 D mm |
| Weight | ~1.3 kg |
| Compliance | Designed for continuous industrial water monitoring per ISO 5667-3 and ASTM D3370 guidelines |
| Electrode Configuration | Dual-junction reference electrode with solid-state chloride-selective membrane, maintenance-free internal electrolyte |
| Brand | Kasahara |
|---|---|
| Origin | Japan |
| Model | RC-V2 |
| Instrument Type | Portable |
| Measurement Principle | DPD Spectrophotometry |
| Measured Parameters | Chlorine Dioxide (ClO₂) and Total/Free Available Chlorine |
| Measurement Range | 0–200 g/L (multi-range, auto-ranging) |
| Accuracy | ±5% of reading |
| Repeatability | ≤2% RSD |
| Detection Limit | 0.01 mg/L (at lowest range) |
| Wavelengths | Triple-wavelength optical system (515 nm, 550 nm, 610 nm) |
| Compliance | Designed for HACCP-aligned disinfection process control |
| Power Supply | Rechargeable Li-ion battery (≥8 hrs continuous operation) |
| Brand | Hokuri |
|---|---|
| Origin | Japan |
| Model | H2O2-V2 |
| Measurement Range | 0–1200 mg/L H₂O₂ |
| Resolution | 1 mg/L |
| Method | Solid-phase photometric assay (catalyzed peroxidase reaction) |
| Interference Resistance | Confirmed immunity to Cu²⁺, Fe²⁺/Fe³⁺, Ni²⁺, Cr³⁺/Cr⁶⁺ at typical plating bath concentrations |
| Dimensions | 185 × 95 × 45 mm |
| Weight | 380 g |
| Power | Rechargeable Li-ion battery (≥8 h continuous operation) |
| Compliance | Designed per ISO 15528:2018 (water quality — sampling guidance), compatible with GLP documentation workflows |
| Brand | Rikari |
|---|---|
| Origin | Japan |
| Model | TRC-30 |
| Measurement Principle | Dual-Beam Transmittance Photometry (Spectrophotometric Method) |
| Turbidity Range | 0.0–50.0 NTU (Polystyrene Standard) |
| Color Range | 0.0–50.0 Pt-Co Units (Platinum-Cobalt Scale) |
| Resolution | 0.01 unit (0.0–9.99), 0.1 unit (10.0–50.0) |
| Repeatability | ±0.2 units under specified conditions |
| Operating Temperature | 5–35 °C |
| Protection Rating | IP63 (Dust-Resistant & Drip-Protected) |
| Power Supply | 4 × AA Alkaline Batteries (DC 6 V) |
| Dimensions | 54 × 38 × 350 mm |
| Weight | Approx. 300 g |
| Calibration | Zero-point with deionized water |
| Compliance | Aligns with MHLW Ordinance on Water Quality Standards for Public Water Supply (Japan), Industrial Water Testing Methods, and JIS K 0102 Annex B (Transmittance Method) |
| Brand | Kasuri |
|---|---|
| Model | KP-11Z |
| Measurement Principle | Glass Electrode (pH), Platinum Electrode (ORP), Thermistor (Temperature) |
| pH Range | 0.00–14.00 (0.01 resolution) |
| ORP Range | −1999 to +1999 mV (1 mV resolution) |
| mV Range | −1999 to +1999 mV (1 mV resolution) |
| Temperature Range | 0.0–50.0 °C (0.1 °C resolution) |
| Accuracy (pH) | ±0.02 pH |
| Accuracy (ORP/mV) | ±0.2% of reading |
| Accuracy (Temp) | ±0.2 °C |
| Repeatability | pH ≤ ±0.02, ORP/mV ≤ ±0.2%, Temp ≤ ±0.2 °C |
| ATC | Yes (0–45 °C) |
| Memory Capacity | 30 data sets |
| Power | 4.5 V DC (3 × AAA/LR03 batteries) |
| Auto-off | 30 min |
| IP Rating | IP67 (with properly mated probe connector) |
| Dimensions (main unit) | 70 × 40 × 173 mm (W×H×D) |
| Weight (unit only) | ~290 g |
| Housing Material | ABS plastic |
| Electrode | PHD-11 (glass pH/platinum ORP, 3 m cable) |
| Compliance | JIS T 1201 (pH meters), JIS K 0101 (water analysis), SS242 & S251 certified electrode types |
| Brand | KRK |
|---|---|
| Origin | Japan |
| Model | LQ-5Z |
| Measurement Principle | Potentiometric Electrode Method (Ion-Selective) |
| Measurands | NH₃ (aq), NaOH, KOH, H₂SO₄, HCl, HNO₃, TMAH |
| Sample Type | Single-component aqueous solutions only (no mixtures) |
| Concentration Ranges | NH₃: 0.00–2.00% w/w |
| NaOH | 0.00–3.00% w/w |
| KOH | 0.00–3.00% w/w |
| H₂SO₄ | 0.00–2.00% w/w |
| HNO₃ | 0.00–2.00% w/w |
| TMAH | 0.00–5.00% w/w |
| HCl | range not specified in source data |
| Temperature Range | 0.0–40.0 °C |
| Temperature Compensation | Automatic (NTC-based) |
| Calibration | Zero & span calibration per analyte |
| Enclosure Rating | IP66 |
| Power | 3× LR03 (AAA) alkaline batteries with auto-off |
| Electrode Type | 4-electrode conductometric/potentiometric sensor (model-specific), 1 m cable |
| Instrument Dimensions | 38(H) × 75(W) × 180(D) mm |
| Electrode Dimensions | Ø17 × 180 mm |
| Weight | Instrument ≈ 300 g |
| Brand | Rikari Chemical |
|---|---|
| Origin | Japan |
| Model | H2O2-V1 |
| Measurement Principle | Molybdenum Yellow Spectrophotometry |
| Range | 0.0–120.0 g/L |
| Resolution | 0.1 g/L |
| Repeatability | ≤ ±5% FS |
| Response Time | <5 s after power-on |
| Measurement Time | ~60 s per sample |
| Auto-power-off | 5 s after measurement |
| Calibration | Zero calibration + span calibration using standard solution |
| Light Source | LED (stable narrow-band emission) |
| Power Supply | 4 × AA alkaline batteries (LR03, 6 V DC) |
| Dimensions | 88 W × 174 D × 65 H mm |
| Weight | ~310 g |
| Standard Accessories | Instrument body, 4 × AA batteries, H2O2-V1-RA reagent (500 mL), 5-mL syringe, 0.1-mL micropipette, instruction manual, warranty card, carrying case |
| Brand | Rikari Kagaku |
|---|---|
| Origin | Japan |
| Model | LQ-5Z Multi |
| Measurement Principle | Potentiometric Electrode Method |
| Analyte Range | THAM 0–5% w/w, NaOH 0–3% w/w, Na₂CO₃ 0–10% w/w, NH₃·H₂O 0–2% w/w |
| Sample Temperature Range | 0.0–40.0 °C |
| Calibration | Single-point zero calibration |
| Temperature Compensation | Automatic (NTC-based) |
| Enclosure Rating | IP66 |
| Power Supply | 3× LR03 (AAA) alkaline batteries |
| Auto-power-off | Yes |
| Electrode Type | 4C-series combination electrode |
| Electrode Cable Length | 1 m |
| Instrument Dimensions (H×W×D) | 38 × 75 × 180 mm |
| Electrode Dimensions (Ø × L) | 17 × 180 mm |
| Weight | Instrument ≈ 300 g, Electrode ≈ 50 g |
| Brand | Kasahara |
|---|---|
| Origin | Japan |
| Model | CU-502 |
| Instrument Type | Online Multi-Ion Analyzer |
| Measurement Principle | Absorption Photometry (LED-based, AC-driven dual-beam) |
| Measuring Range (Cu) | 0–20 g/L, 0–50 g/L, 0–80 g/L (selectable) |
| Measuring Range (CuSO₄) | 0–100 g/L, 0–200 g/L, 0–300 g/L (selectable) |
| Detection Limit | 1 g/L (Cu) |
| Resolution | 0.1 g/L (Cu), 1 g/L (CuSO₄) |
| Accuracy | ±2% FS |
| Repeatability | ±2% |
| Response Time | ≤5 s |
| Operating Temperature | –5 °C to +40 °C |
| Humidity Limit | ≤85% RH (non-condensing) |
| Power Supply | AC 85–240 V, 50/60 Hz |
| Output Signal | DC 4–20 mA (isolated, 2-wire) |
| Dimensions (H×W×D) | 96 × 96 × 163 mm |
| Weight | ~1.3 kg |
| Compliance | CE-marked for industrial environments |
| Enclosure Rating | IP65 front panel |
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