Buffer solution pH 10.010, 25 sachets of 20 ml, ± 0.002 pH, millesimal Quality with certificate of analysis
สารละลาย
Buffer solution pH 2.000, 500 ml bottle, ± 0.002 pH, millesimal Quality with certificate of analysis
Buffer solution pH 3.000, 500 ml bottle, ± 0.002 pH, millesimal Quality with certificate of analysis
สารละลาย
Buffer solution pH 4.010, 500 ml bottle, ± 0.002 pH, millesimal Quality with certificate of analysis
Buffer Solution pH 4.010, ±0,002 pH, Millesimal Quality
Buffer solution pH 7.010, 500 ml bottle, ± 0.002 pH, millesimal Quality with certificate of analysis
สินค้าทั้งหมด
Buffer Solution pH 7.010, ±0,002 pH, Millesimal Quality
สารละลาย
Buffer solution pH 10.010, 500 ml bottle, ± 0.002 pH, millesimal Quality with certificate of analysis
สินค้าทั้งหมด
Buffer solution pH 10.010, ±0,002 pH, Millesimal Quality
Buffer solution pH 11.000, 500 ml bottle, ± 0.002 pH, millesimal Quality with certificate of analysis
Buffer solution pH 12,000, 500 ml bottle, ± 0.002 pH, millesimal Quality with certificate of analysis
Buffer solution pH 13,000, 500 ml bottle, ± 0.002 pH, millesimal Quality with certificate of analysis
HI755-26
เครื่องวัดคุณภาพน้ำ รุ่น HI5522 (pH/ORP/ISE และ EC/TDS/Salinity/Resistivity พร้อมโหมด CAL Check™)
HI6004 - 4.010 pH@25°C - MQ - 500ml
HI4016-02 ISE 100 mg/L (ppm) Sodium Std , 500 ml Bottle
HI3842 CTK Hardness
HI6010 - 10.010 pH@25°C - MQ - 500ml
HI6007-01 - 7.010 pH@25°C - MQ - 1000ml