Български

Bulgarian Institute for Standardization
Standards – always a step ahead

0 Items

Phone: +359 2 8174 523, +359 2 8174 504
E-mail: info@bds-bg.org
1797 Sofia, 13 "Lachezar Stanchev" Str., "Izgrev" Complex
ID number: 175079183, VAT number: BG175079183

Main menu

ISO 6849:1996

Photography — Processing wastes — Determination of boron

First Publication Date: Nov 7, 1996

General information

Current stage: 90.93 Effective date: Jun 5, 2021

Originator: ISO

Owner: ISO/TC 42

Type: International Standard

ICS: 37.040.30 13.030.30

Languages: English

Buying

Status: Published

PDF - BGN 125.18

Paper - BGN 131.45

CD - BGN 131.45

Language

Language in which you want to receive the document

Scope

Gives two methods for the determination of boron in photographic processing wastes. The first method is the estimation of borates by titration of the boric acid-mannitol complex. Suitable for boron concentrations of 0,1 mg/l and higher. The second alternative method is a spectrophotometric technique using methylene blue which can be used in the concentration range of 0,1 mg/l to 1,0 mg/l.

Life cycle

NOW

PUBLISHED
ISO 6849:1996
90.93 Standard confirmed
Jun 5, 2021