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02-541-4199
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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
สินค้าที่เกี่ยวข้อง
สินค้าทั้งหมด
฿3,103.00
Range 0 - 150 ppm | ferrous sulfate method | Resolution 1ppm
สินค้าทั้งหมด
฿3,103.00
Range 0:00 to 2:50 ppm | ascorbic acid method | Resolution 0.01ppm
สินค้าทั้งหมด
฿3,103.00
Range 0.00 - 9.99 ppm NH3-N | Nessler Method | 0.01ppm resolution
สินค้าหมดแล้ว
สินค้าทั้งหมด
฿3,103.00
Range 0:00 to 2:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
สินค้าทั้งหมด
฿3,103.00
Range 0:00 to 3:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
สินค้าทั้งหมด
฿3,105.14
Range 0.0 - 15 ppm | Molybdenum Blue Method | 0.1ppm resolution
สินค้าหมดแล้ว
สินค้าทั้งหมด
฿3,103.00
Range 0 - 600 ppb NO2-N | EPA method 354.1 | Resolution 1 ppb