ISO 23772:2023
International Standard
Current Edition
·
Approved on
10 March 2023
Pulps — Kraft liquor — Determination of residual alkali using potentiometric titration
ISO 23772:2023 Files
English
7 Pages
Current Edition
BHD
30.86
ISO 23772:2023 Scope
This document describes a procedure for determining the content of residual alkali in Kraft black liquors having a dry matter content up to 40 %.
The method is based on a potentiometric titration with hydrochloric acid and is intended for black liquor samples with an initial pH ≥ 11,0.
The lower limit of determination is 0,1 g/l of eq. NaOH.
Best Sellers
GSO 150-2:2013
Gulf Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
BH GSO 150-2:2015
GSO 150-2:2013
Bahraini Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
BH GSO 2055-1:2016
GSO 2055-1:2015
Bahraini Technical Regulation
HALAL FOOD - Part 1 : General Requirements
GSO 2055-1:2015
Gulf Technical Regulation
HALAL FOOD - Part 1 : General Requirements
Recently Published
ISO 22544:2025
International Standard
Laboratory design — Vocabulary
ISO 6670:2025
International Standard
Instant coffee — Sampling method for bulk units with liners
ISO/IEC TR 25219:2025
International Standard
Personal identification — ISO-compliant driving licence — Considerations for early adopters of ISO/IEC 18013-7
ISO 13315-5:2025
International Standard
Environmental management for concrete and concrete structures — Part 5: Execution of concrete structures