Logo
Login Sign Up
Current Revision

ISO 2227:1972

Formaldehyde solutions for industrial use -- Determination of formaldehyde content
Best Price Guarantee
Instant

$54.00

2-5 Days

$54.00

SAVE 15%

$91.80


Sub Total (1 Item(s))

$ 0.00

Estimated Shipping

$ 0.00

Total (Pre-Tax)

$ 0.00


or
Document Preview Not Available...

The specified method is applicable to HCHO contents between 25 5 and 45 %. The field of application may be extended by siutably modifying the mass of the test portion. The principle consists in the reaction of the test solution with a neutral sodium sulphite solution, and acidimetric titration of the liberated sodium hydroxide in presence of thymolphthalein as indicator.

SDO ISO: International Organization for Standardization
Document Number ISO 2227
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 47
Publish Date Document Id Type View
Not Available ISO 2227:1972 Revision