TDS (total dissolved substances) solution 1382 mg / L (ppm) for calibration with certificate of analysis. Individual portions - convenient & always fresh & no contamination risk.
virtually always fresh & no contamination risk.
Standard-Lösung TDS 6.44 g/L (ppt) - 25x 20ml - mit Analysenzertifikat. Einzelportionen - praktisch & immer frisch & keine Kontaminations-Gefahr.
virtually always fresh & no contamination risk.
Standard-Leitfähigkeitslösung 5000 µS/cm mit Analysenzertifikat. Einzelportionen - praktisch & immer frisch & keine Kontaminations-Gefahr.
สินค้าทั้งหมด
virtually always fresh & no contamination risk.
Buffer Solution pH 4.01, 500 ml ±0,01pH
Standard-Lösung TDS 800 mg/L (ppm) - 25x 20ml - mit Analysenzertifikat. Einzelportionen - praktisch & immer frisch & keine Kontaminations-Gefahr.
virtually always fresh & no contamination risk
HI3864 CTK Phenol
HI93750-01 Potassium - Reagents - 100 Tests
HI7609829-2 - Dissolved Oxygen Sensor for HI9829 Multiparameter
Reagents for HI 758 Checker HC ®, 25 Tests
HI93703-05 AMCO-AEPA-1 Calibration Solution at 500 FTU, 30 ml-Copy
HI5003 - 3.00 pH@25°C - TQ - 500ml
HI70032P - 1382 mg/l (ppm) TDS@25°C - 25x20ml
HI38067-100 - Reagents for CTK Silica HR
HI7075 Electrode filling solution 1.7M KNO3 + 0.7M KCl, 4 x 30 ml
HI93706-01 Phosphorous - Reagents - 100 Tests
สารละลายมาตรฐานสำหรับสอบเทียบค่ากรด-ด่าง pH 4.01 (HI7004L)