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.
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
HI96770-01 Silica HR - Reagents - 100 Tests
HI3831F CTK Chlorine Free
HI3815 CTK Chloride
HI98303 DiST®3 EC-Tester (up to 1999 µS)
HI903 Karl Fischer Volumetric Titrator - 100ppm to 100%
HI4007-02 ISE 100 mg/L (ppm) Chloride Std , 500 ml Bottle
HI6010-01 - 10.010 pH@25°C - MQ - 1000ml
HI6007-01 - 7.010 pH@25°C - MQ - 1000ml
HI7039L - EC 5000 µS/cm@25°C - 500ml
HI76409A/P DO Membrane for probe HI 76409 (5 pcs)
HI93707-01 Nitrite LR - Reagents - 100 Tests
บีกเกอร์พลาสติก ขนาด 170 ml จำนวน 6 ชิ้น (HI740224)
สารละลายมาตรฐานสำหรับสอบเทียบค่ากรด-ด่าง pH 4.01 (HI7004L)