Meikou Rikagaku
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| Brand | Meikou Rikagaku |
|---|---|
| Origin | Japan |
| Type | Imported |
| Models | 132SB, 132SC |
| Detection Range (132SB) | 5–500 ppm |
| Detection Range (132SC) | 0.1–12 ppm |
| Sample Volume | 100–400 mL |
| Response Time | ≤90 sec per 100 mL |
| LOD (132SC, 400 mL) | 0.05 ppm |
| Color Change (132SB) | White → Red-Orange |
| Color Change (132SC) | Straw-Yellow → Peach |
| Operating Temperature | 0–40 °C (temperature correction required) |
| Humidity Effect | None |
| Pressure Correction | Required (ppm × 1013 hPa ÷ actual pressure) |
| Reaction Chemistry | 132SB: CH₂=CHCl + PbO₂ → Cl₂ |
| 132SC | CH₂=CHCl + CrO₃ + H₂SO₄ → HCl |
| Brand | Meikou Rikagaku |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 180S |
| Detection Range | 30–1000 ppm (standard scale), 10–200 ppm (low-range scale) |
| Pack Size | 5 tubes per box, 2 boxes per set |
| Compatible Pump | AP-20 Hand Pump |
| Brand | Meikou Rikagaku |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 111U |
| Price | USD 0.12 (per tube, FOB Japan) |
| Detection Principle | Colorimetric Reaction via Capillary Diffusion |
| Measurement Range | 10–1000 ppm (as ethyl acetate, v/v) |
| Pack Size | 10 tubes per box |
| Compatible Pump | AP-20 Manual Bellows Pump |
| Response Time | 100 strokes (≈60–90 s) |
| Shelf Life | 24 months from manufacture date (stored at 5–30 °C, dry, dark) |
| Calibration Traceability | Certified against NIST-traceable ethyl acetate gas standards |
| Compliance | Meets JIS K 0804:2017 and ISO 8573-2:2010 Annex B for colorimetric tube methodology |
| Brand | Meikou Rikagaku |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 721 |
| Unit Price | USD 0.95 (FOB Yokohama) |