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Photographers' Formulary Borax - 1 lb

BH #PHBLBQ • MFR #10-0260 1LB
Photographers' Formulary
Photographers' Formulary Borax - 1 lb
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Photographers' Formulary 10-0260 1LB Overview

Photographers' Formulary Borax which is also known as Sodium Borate, can be used as a component in some developer formulas.

Borax acts as an alkali (accelerator), which shortens developing time and helps developing agents work more effectively. Subsequent use of an acid stop bath halts development abruptly by neutralizing the alkali and producing an acid environment. Development will still take place in the absence of an alkali but it will take considerably longer.
In 1988 the Dial (soap) Corporation bought the exclusive rights to make and sell such home pantry staples as 20-Mule-Team Borax all-purpose cleaner, Borateem stain remover and Boraxo powdered hand soap.
UPC: 675152260031

Photographers' Formulary 10-0260 1LB Specs

SynonymsBiborate of soda
Biborate of sodium
Borate of soda
Borate of sodium
Purified borax
Pyroborate of soda
Sodium biborate
Sodium borate
Sodium pyroborate
Sodium tetraborate
Tetraborate of soda
20 Mule Team Borax
AppearancePure white crystalline powder
UsesAs a mild alkali accelerator in fine-grain developers and those of low activity
In certain fixing baths
In some acid hardeners, especially those intended for prints that are to be dried through heated belt driers
In gold toning baths to render them alkaline and to increase the rate of deposition of gold
Chemical FormulaNa2B4O7 . 10H2O
NotesBorax is available as 'borax pentahydrate', but most commonly as 'borax decahydrate', the form used in photographic formulas. The old term for decahydrate is crystalline. 'Borax decahydrate', and 20 Mule Team Borax are one and the same.
Packaging Info
Package Weight1.1 lb
Box Dimensions (LxWxH)5 x 3.1 x 3"

Photographers' Formulary 10-0260 1LB Reviews

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