Phosphoric acid for industrial use -- Determination of sulphate content -- Method by reduction and titrimetry

Document Number: ISO 2997:1974
File Size: 308 kB
Language: English
Provider: ANSI
Shipping: Available for download - Link will be provided in My ComplianceOnline section

Price: $43.00
Product Details

Applicable to products having sulphate contents equal to or more than 0.0005 % (m/m). Analysis by reduction of the sulphate to sulphide by a mixture of hydriodic acid and hypophosphorus acid. Absorption of the hydrogen sulphide evolved in a mixture of acetone and sodium hydroxide solution. Titration with a standard volumetric solution of mercury(II) acetate in the presence of dithizone as indicator. 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