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Hold pH steady during use.

Buffers

Borax Sodium tetraborate x 5H2O - 1000g Borax Sodium tetraborate x 5H2O - 1000g
Vendor: SYNTHETIKA
Price:

€7.01

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Net price: €5.70

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Borax Sodium tetraborate x 5H2O - 10g Borax Sodium tetraborate x 5H2O - 10g
Vendor: SYNTHETIKA
Price:

€1.72

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Net price: €1.40

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Borax Sodium tetraborate x 5H2O - 25 000g Borax Sodium tetraborate x 5H2O - 25 000g
Vendor: SYNTHETIKA
Price:

€93.52

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Net price: €76.03

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Borax Sodium tetraborate x 5H2O - 5000g Borax Sodium tetraborate x 5H2O - 5000g
Vendor: SYNTHETIKA
Price:

€28.06

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Net price: €22.81

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Borax Sodium tetraborate x 5H2O - 500g Borax Sodium tetraborate x 5H2O - 500g
Vendor: SYNTHETIKA
Price:

€4.68

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Net price: €3.80

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Potassium Bicarbonate KHCO3 - 1000g Potassium Bicarbonate KHCO3 - 1000g
Vendor: SYNTHETIKA
Price:

€10.71

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Net price: €8.71

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Potassium Bicarbonate KHCO3 - 100g Potassium Bicarbonate KHCO3 - 100g
Vendor: SYNTHETIKA
Price:

€3.64

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Net price: €2.96

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Potassium Bicarbonate KHCO3 - 25000g Potassium Bicarbonate KHCO3 - 25000g
Vendor: SYNTHETIKA
Price:

€191.43

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Net price: €155.63

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Potassium Bicarbonate KHCO3 - 5000g Potassium Bicarbonate KHCO3 - 5000g
Vendor: SYNTHETIKA
Price:

€46.59

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Net price: €37.88

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Potassium Bicarbonate KHCO3 - 500g Potassium Bicarbonate KHCO3 - 500g
Vendor: SYNTHETIKA
Price:

€7.46

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Net price: €6.06

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Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 1000g Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 1000g
Vendor: SYNTHETIKA
Price:

€8.39

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Net price: €6.82

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Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 100g Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 100g
Vendor: SYNTHETIKA
Price:

€2.80

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Net price: €2.27

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Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 25 000g Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 25 000g
Vendor: SYNTHETIKA
Price:

€116.90

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Net price: €95.04

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Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 5000g Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 5000g
Vendor: SYNTHETIKA
Price:

€37.28

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Net price: €30.31

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Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 500g Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 500g
Vendor: SYNTHETIKA
Price:

€4.66

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Net price: €3.79

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Sodium Bicarbonate ( Lab reagent ) - 1000g Sodium Bicarbonate ( Lab reagent ) - 1000g
Vendor: SYNTHETIKA
Price:

€3.26

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Net price: €2.65

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Sodium Bicarbonate ( Lab reagent ) - 100g Sodium Bicarbonate ( Lab reagent ) - 100g
Vendor: SYNTHETIKA
Price:

€1.94

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Net price: €1.57

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Sodium Bicarbonate ( Lab reagent ) - 25 000g = 25kg bag Sodium Bicarbonate ( Lab reagent ) - 25 000g = 25kg bag
Vendor: SYNTHETIKA
Price:

€46.59

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Net price: €37.88

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Sodium Bicarbonate ( Lab reagent ) - 5000g Sodium Bicarbonate ( Lab reagent ) - 5000g
Vendor: SYNTHETIKA
Price:

€12.02

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Net price: €9.77

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Sodium Bicarbonate ( Lab reagent ) - 500g Sodium Bicarbonate ( Lab reagent ) - 500g
Vendor: SYNTHETIKA
Price:

€2.34

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Net price: €1.90

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Acid sodium carbonate (sodium bicarbonate) 99.5% Loba extra pure op.500 g Acid sodium carbonate (sodium bicarbonate) 99.5% Loba extra pure op.500 g
Vendor: LOBA
Price:

€7.06

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Net price: €5.74

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Acid sodium carbonate (sodium bicarbonate) 99.7% PureLand AR Op.1000 g Acid sodium carbonate (sodium bicarbonate) 99.7% PureLand AR Op.1000 g
Vendor: PureLand
Price:

€9.33

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Net price: €7.58

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Acid sodium carbonate (sodium bicarbonate) 99.7% PureLand AR Op.250 g Acid sodium carbonate (sodium bicarbonate) 99.7% PureLand AR Op.250 g
Price:

€4.00

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Net price: €3.25

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Acid sodium carbonate (sodium bicarbonate) 99.7% PureLand AR Op.500 g Acid sodium carbonate (sodium bicarbonate) 99.7% PureLand AR Op.500 g
Vendor: PureLand
Price:

€5.33

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Net price: €4.33

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Potassium carbonate anhydrous 99.5% PureLand AR/ACS Op.1000g Potassium carbonate anhydrous 99.5% PureLand AR/ACS Op.1000g
Price:

€53.30

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Net price: €43.34

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During development, pH naturally drifts: developing agents consume alkali and produce acidic byproducts; the film itself can also alter pH locally. Buffers keep pH stable so development remains predictable from first sheet/roll to last. Without buffering you might see changing contrast, uneven development, or shifts in effective speed across a batch.

  • Borate and carbonate/bicarbonate systems are classic buffers.

  • A well-buffered developer is more forgiving of small temperature or dilution errors.

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