18 Packs Contents: 6*pH 4.01 solution powder, 6*pH 6.86 solution powder, 6*pH 9.18 solution powder, which can meet all pH requirements and is flexible in use.
Easy to Use: Mix the buffer powder with 250ML distilled water, put the pH meter into the solution, stir gently, and wait for a few seconds to get the result.
Accuracy: The accuracy of the buffer at 25°C is within ±0.01 pH units, and it can remain stable for a long time. It is sealed in a durable moisture-proof individual packaging to keep it fresh until use.
Works with Any PH Meter: This buffer powder will work with any electronic pH Meter. Ideal for Calibrating.
Wide Range of Applications: testing the pH balance of water, aquariums, swimming pools, spas or hydroponics.
Methylene Blue, 100 mL Pharmaceutical Grade 1% Aqueous Solution USP 3.38 fl oz
KWD 13
HORIBA Y043 Nitrate Ion Standard Solution 2000ppm for LAQUAtwin NO3-11 (Bottle of 6)
KWD 32.500
pH Buffer Calibration Solution, pH 4.00 — 1 Quart (950 mL) — NIST Traceable Reference Standards for All pH Meters | Color Coded Red
KWD 9.500
HiMedia GRM4655-500G Diethyl Phthalate, 500 g
KWD 10.500
