Photographers' Formulary Rochelle Salt (100g)

Photographers' Formulary Rochelle Salt (100g)

Photographers' Formulary Rochelle Salt (100g)

B&H # PHRS100G MFR # 10-1120 100G
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Expected availability: 2-4 weeks

Product Highlights

  • Used in Kallitype Developers
  • Also Used for Silvering Mirrors

Weight: 100g

1 lb

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100g 10g

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Photographers' Formulary 10-1120 100G overview

  • 1Description

This is 100g of Rochelle Salt from Photographers' Formulary. It is commonly used as a component when mixing brown, sepia, blue, and maroon Kallitype developers. It is also used for silvering mirrors and is an ingredient in Fehling's solution.

UPC: 675152112026
Table of Contents
  • 1Description

Photographers' Formulary 10-1120 100G specs

Synonyms Sodium potassium tartrate, tetrahydrate
Rochelle salt
Rochelle salt tetrahydrate
Seignette salt tetrahydrate
Potassium sodium L-tartrate tetrahydrate
Potassium Sodium Tartrate Tetrahydrate
Appearance Colorless to blue-white orthorhombic crystalline salt
Uses It is an ingredient of Fehling's solution . It is used in silvering mirrors.
Chemical Formula KNaC4H4O6.4H2O
Notes Also called Seignette salt after Pierre Seignette, an apothecary of La Rochelle, France, who was the first to make it (c.1675). Chemically, it is potassium sodium tartrate.
Weight 3.5 oz / 100 g
Packaging Info
Package Weight 0.25 lb
Box Dimensions (LxWxH) 5.0 x 2.0 x 2.0"

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