Sulfide (S), 1000µg/mL in Water, 3 x 20ml Back Catalog number: 54139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended VHG-CN-100 Cyanide (CN-)@1000mg/L in 0.1% NaOH, 100ml Price on request VHG-V21-30-100 V21 Wear Metals Standard: 30µg/g in Hydrocarbon Oil, 100g Price on request 5190-9413 PE ICP-OES Calib Std, in HNO3, 500ml 9 438,51 Kč