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Titrets Formaldehyde Kits

Home » Titrets Formaldehyde Kits

Titrets Formaldehyde Kits Range: 0.5-5%

Titrets Method - Titrets ampoules use reverse titration to quantify concentrations. After snapping the ampoule tip, the sample is drawn into the ampoule in small doses (with the Titrettor device included in each kit that precisely controls the sample) (Step 1), until a color change signals that the equivalence point has been reached (Step 2). The titration is stopped at the end point and the ampoule is held upright. The liquid level will correspond to a printed scale on the ampoule's outer surface (Step 3). Kits include 30 ampoules with valve assemblies, a titrettor, accessory solution(s) (when necessary), a sample cup, and instructions. Material Safety Data Sheets are provided in test kits. Each Titret ampoule is 13 mm in diameter designed for titrimetric analysis. The ampoule contains vacuum-sealed liquid titrant and has a flexible valve assembly attached.

Product Description

Methods
Formaldehyde, a toxic substance, is used in the following applications: metal plating baths, textile treatments, biological specimen preservatives, and disinfectants of medical equipment. Commercial formaldehyde gas is readily soluble in water.

The Acid Titrimetric Method
Reference: ASTM D 2194-79, Concentration of Formaldehyde Solutions.

CHEMetrics offers a titrimetric method for formaldehyde, which uses sulfuric acid and sodium sulfite. The end point indicator, thymolphthalein, provides a sharp color change from colorless to bright blue.

Results are expressed as percent (%) formaldehyde.

Visual Kits
Range: 0.5-5%
MDL: 0.50% / Method: Acid Titrant with Thymolphthalein Indicator
Cat# Titrets Kit K-4250
Increments: 0.5, 0.55, 0.6, 0.65, 0.7, 0.75, 0.8, 0.9, 1.0, 1.25, 1.5, 1.75, 2.0, 2.5, 3.5, 5.0 %
Kit comes in a cardboard box and contains everything needed to perform 30 tests: thirty ampoules with valve assemblies, Indicator Solution, titrettor, 25 mL sample cup, instructions, and MSDS.

Kit Components common to Formaldehyde
Description Cat#
Sample Cup Pack, 25 mL (6 ea) A-0013
Micro Test Tube Pack (10 ea) A-0015
Dilutor Snapper Cup Pack (6 ea) A-0018
Ampoule Blank Pack (5 ea) A-0023
Titrettor Pack (1 ea) A-0053