General information about our pH buffers / calibration:
Available grades:
Technical Quality
The buffer solutions of HANNA instruments include solutions from pH 1.00 to pH 13.00 and allow calibration over the entire pH scale with an accuracy of ± 0.01 pH. The buffer solution series is particularly suitable for pH measurements that require high accuracy. All solutions with certificate of analysis.
Millesimal Quality
Accuracy of ± 0.002 pH for calibration of measuring instruments with 0.001 resolution. All solutions in opaque packaging with certificate of analysis.
Standard Quality
Accuracy of ± 0.01 pH in different packaging, with or without a certificate of analysis.
Available packages: Bottle: 230ml – 500ml – 1L Can: 3.78 L (gal) Individual portions – and virtually always fresh & no contamination risk Shelf life up to 5 years
HI705 Checker HC ® - Silica, LR
HI7091L - Reducing Pretreatment Solution, 500 ml
BL983329-1 TDS Mini Controller 0.0 to 999 mg/L (ppm) - 230V
BL983320-1 EC Mini Controller 0 to 199.9 µS/cm, 230V
HI7073L - Proteins - 500ml
เครื่องวัดปริมาณแอมโมเนีย ช่วงต่ำ รุ่น HI700
HI7075 Electrode filling solution 1.7M KNO3 + 0.7M KCl, 4 x 30 ml
HI93719-01 Hardness Magnesium - Reagents -100 Tests
HI70032C - 1382 mg/l (ppm) TDS@25°C Cert. - 25x20ml
เซ็นเซอร์วัดออกซิเจนในน้ำสำหรับ HI9829 มัลติพารามิเตอร์ 


