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
HI731321 - Glass Cuvette 4 pcs. - Photometer Series HI 937xx, HI 832xx und HI 7xx
HI7091L - Reducing Pretreatment Solution, 500 ml
BL983319-1 TDS Mini Controller 0.0 to 1999 mg/L (ppm) - 230V
สารละลายมาตรฐานสำหรับสอบเทียบค่ากรด-ด่าง 4.01 (HI7004/1L)
BL983315-1 TDS Mini Controller 0.0 to 199.9 mg/L (ppm) - 230V
HI766Z7 K-Type, Wire Temperature Probe (7m)
เครื่องวัดปริมาณโครเมี่ยม ช่วงสูง รุ่น HI723 

