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เครื่องควบคุมค่าความนำไฟฟ้า
2 × ฿29,425.00 -
×
HI717 Checker HC ® - Phosphate, HR
1 × ฿3,103.00
Subtotal: ฿61,953.00
The sodium and sodium chloride standard solutions are used for the calibration of pocket sized, portable, bench salinity meters and sodium ISE.
| ปริมาตร | 200 มล., 500 มล. |
|---|
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