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Suppress development of unexposed silver halide → less fog, cleaner highlights.
Potassium Bromide ( KBr ) Pure For Analytical Purpose - 1000g
Availability: Large quantity
Dispatched within: 5 days
Potassium Bromide ( KBr ) Pure For Analytical Purpose - 100g
Availability: Large quantity
Dispatched within: 5 days
Potassium Bromide ( KBr ) Pure For Analytical Purpose - 500g
Availability: Large quantity
Dispatched within: 5 days
Loba potassium bromide IR spectroscopy op.100 g
Availability: tymczasowo niedostępny
€99.61
Net price: €80.99
SODIUM CHLORIDE solution 10% OP. 1L PureLand
Availability: tymczasowo niedostępny
€17.81
Net price: €14.48
SODIUM CHLORIDE standard solution 0.02 MOL/L OP. 1L PureLand
Availability: tymczasowo niedostępny
€18.66
Net price: €15.17
SODIUM CHLORIDE standard solution 0.05 MOL/L OP. 1L PureLand
Availability: tymczasowo niedostępny
€20.06
Net price: €16.31
SODIUM CHLORIDE standard solution 0.10 MOL/L OP. 1L PureLand
Availability: tymczasowo niedostępny
€17.65
Net price: €14.35
Standard solution SODIUM CHLORIDE 3 MOL/L OP. 1L PureLand
Availability: tymczasowo niedostępny
€17.99
Net price: €14.63
Standard solution SODIUM CHLORIDE 9 MOL/L OP. 1L PureLand
Availability: tymczasowo niedostępny
€17.65
Net price: €14.35
Even in unexposed areas, silver halide can develop a little (“chemical fog”), reducing shadow detail and muddying highlights. Restrainers selectively slow development of unexposed or lightly exposed crystals more than heavily exposed ones. Practically, they clean up highlights, reduce base fog, and improve separation in bright tones.
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Potassium bromide is traditional and mild: it lowers fog without dramatically changing look.
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Benzotriazole / PMT are stronger; they’re used when you need very clean highlights (old film, long dev times, warm conditions) but can reduce speed or make the developer feel “slower.”