Home Air Formaldehyde Test Kit Formaldehyde Tester Detection of Formaldehyde HCHO Test (Pack of 5)
$27.99
Description
【5 boxes of packaging】It can be tested 5 times and can complete the testing of your 5 rooms..【high quality】We use high-purity non-toxic analytical reagents..【handy】It can be completed by following the operating steps without the need for any instruments..【economic】This is a fast, simple, affordable, and safe method for detecting formaldehyde..【Reaction principle】Formaldehyde in the air reacts with phenolic reagents to form azines. Zine is oxidized by trivalent iron ions in acidic solution to form blue-green compounds. Then quantify based on the color depth ratio.
