GroLine 1413 uS/cm (1.41 mS/cm) solution, 20 mL (Single Sachet)

HI70031G is a high quality 1413 uS/cm conductivity standard designed with hydroponics, aquaponics, and greenhouses in mind. Single-use sachets are highly portable, with a small footprint and a lightweight design. They are the perfect accessory for your on-the-go testing, fitting easily into your pocket or carrying case. Supplied with Certificate of Analysis Single-use sachets for convenience. Perfect for use with GroLine testers and portable meters! HI70031G is a premium quality 1413 µS/cm conductivity solution standardized with a conductivity meter that has been calibrated with potassium chloride NIST 2202 SRM (Standard Reference Material) in deionized water for analytical use in accordance with ISO 3696/BS3978. Additional equipment used in preparation of the solutions include certified weight-checked balances, Class A glassware and certified thermometers. Each sealed sachet holds just the right amount of solution making every sachet as fresh as the day it was packaged! Solut