Narrow Range Ph Strips

…wide pH range to allow for good accuracy of determining pH value of a solution. These Narrow Range Test Papers offer high sensitivity and sharp color change. Narrow pH unit graduation: 0.2-0.4 (Congo Red: color change to red indicates within specified range only) . Dip the indicator test strip…

Most 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. Contains 50 tests. Easy to use, disposable, and…

pH Range: 1.3 to 4.4 Provides precise, pinpoint pH measurement over a narrow pH range MicroFine pH Determination. Ultra-fast results with accuracy in intervals of 0.2-0.3 pH unit Dispenser contains two rolls of one type of pH test paper Colorimetric chart shows clear, positive changes at…