Method for investigating formol

The invention discloses formaldehyde detecting method. It includes the following steps: preparing formaldehyde detecting agent as 0.1-0.4g fuchsine/100ml water to dissolve at 40-80 degree centigrade; orderly adding sulfurous acid or sodium sulfite and concentrated sulphuric acid wit density 80% to m...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	JIAJIN,SHI ZHU
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
Online-Zugang:	Volltext bestellen
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