Komyo Rikagaku (Komyo Chemical Co., Ltd.)
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| Brand | Komyo Rikagaku (Komyo Chemical Co., Ltd.) |
|---|---|
| Origin | Japan |
| Tube Models | 112SA, 112SB, 112SC, 112ST |
| Detection Principle | Colorimetric Reaction with Pre-impregnated Reagent |
| Measuring Ranges | 112SA: 0.01–3% (v/v) |
| 112SB | 2–100 ppm, 0.25–25 ppm, and 4.6–230 ppm (three-scale dual-range tube) |
| 112SC | 0.3–8 ppm |
| 112ST | 20–2500 ppm |
| Sampling Volume | 100 mL (standard, using AP-20 manual air pump) |
| Calibration Traceability | NIST-traceable reference gas standards used during manufacturing |
| Shelf Life | 24 months from manufacture date when stored at ≤30°C and protected from light and moisture |
| Compliance | Designed in accordance with JIS K 0321 (Japanese Industrial Standard for Gas Detection Tubes), compatible with ISO 8573-2 (compressed air purity) and OSHA 29 CFR 1910.120 (HAZWOPER) field screening protocols |