Tiếng ViệtMost natural waters range from pH 4 to pH 9, but commonly are above pH 7 because of carbonates and bicarbonates (alkalinity). The pH of water used in industry, boiler feed water, and swimming pools usually is kept within a narrow range.
pH Test Strip, 7.5-14 pH units, 100 tests
Code: 2751000
- Manufacturer: Hach
- Hãng sản xuất: Hach
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Kiểm tra giá pH Test Strip, 7.5-14 pH units, 100 tests
pH Test Strip, 7.5-14 pH units, 100 tests
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