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
31.4
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
GSO 9:2022
Gulf Technical Regulation
Labeling of prepackaged food stuffs
BH GSO 9:2023
GSO 9:2022
Bahraini Technical Regulation
Labeling of prepackaged food stuffs
Recently Published
ISO/TS 23764:2026
International Standard
Methodology for achieving non-residential zero-energy buildings (ZEBs)
ISO 24269:2026
International Standard
Nonwovens — Performance requirements and test methods for filtration and safety — Materials for general use face coverings
IEC/TS 63086-2-5:2026
International Standard
Household and similar electrical air cleaning appliances — Methods for measuring the performance — Part 2-5: Particular requirements for determination of the performance change by loading with particles
ISO 247-1:2026
International Standard
Rubber — Determination of ash — Part 1: Combustion method