Ammonium sulphate for industrial use -- Determination of free acidity -- Titrimetric method

Document Number: ISO 2993:1974
File Size: 182 kB
Language: English
Provider: ANSI
Shipping: Available for download - Link will be provided in My ComplianceOnline section

Price: $37.00
Product Details

Applicable to products having a free acidity, expressed as H2 SO4 , equal to or more than 0.01 % (m/m). Dissolution of a test portion in Water and titration with standard volumetric sodium hydroxide solution in the presence of an indicator. The indicator must have a colour change in the pH range between 5.2 and 5.6. Has also been approved by the IUPAC.

Product Reviews

This product hasn't received any reviews yet. Be the first to review this product! Write review

Best Sellers
You Recently Viewed