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TeikningarVÍSINDI

VÍSINDI

2.506 teikningar tiltækar • 11 undirflokkar

Teikningar (2.506)

Sódakalk: 2 hlutar óslökkts kalks á móti 1 hluta kaustísks goss

Sódakalk: 2 hlutar óslökkts kalks á móti 1 hluta kaustísks goss

eftir CharlieDE

Ólífrænt

14
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Nikkel: Oxíðkubbar minnkaðir með kolefni í deiglum

Nikkel: Oxíðkubbar minnkaðir með kolefni í deiglum

eftir CharlieDE

Ólífrænt

24
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Nikkel: Oxíðkubbar minnkaðir með kolefni í múffuofni

Nikkel: Oxíðkubbar minnkaðir með kolefni í múffuofni

eftir CharlieDE

Ólífrænt

15
0
0
0
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Sodium: Fused Caustic Soda Electrolysed in a Castner Cell
Hættulegt

Sodium: Fused Caustic Soda Electrolysed in a Castner Cell

eftir CharlieDE

Ólífrænt

16
0
0
0
0
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Köfnunarefni: Ammóníumklóríð og kalíumdíkrómat hituð
Hættulegt

Köfnunarefni: Ammóníumklóríð og kalíumdíkrómat hituð

eftir CharlieDE

Ólífrænt

18
0
0
0
0
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Köfnunarefni: Klór leitt í sterkan ammóníak í umframmagni
Hættulegt

Köfnunarefni: Klór leitt í sterkan ammóníak í umframmagni

eftir CharlieDE

Ólífrænt

23
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Chlorine: Manganese Dioxide Heated with Hydrochloric Acid (Scheele)
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Chlorine: Manganese Dioxide Heated with Hydrochloric Acid (Scheele)

eftir CharlieDE

Ólífrænt

15
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Chlorine: Manganese Dioxide, Common Salt and Sulphuric Acid Heated
Hættulegt

Chlorine: Manganese Dioxide, Common Salt and Sulphuric Acid Heated

eftir CharlieDE

Ólífrænt

13
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Chlorine: Red Lead Heated with Hydrochloric Acid
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Chlorine: Red Lead Heated with Hydrochloric Acid

eftir CharlieDE

Ólífrænt

14
0
0
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Oxygen: Bleaching Powder Solution Heated with a Little Cobalt Oxide at 70–80 °C

Oxygen: Bleaching Powder Solution Heated with a Little Cobalt Oxide at 70–80 °C

eftir CharlieDE

Ólífrænt

17
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Oxygen: Red Oxide of Mercury Heated (Priestley's Reaction)
Hættulegt

Oxygen: Red Oxide of Mercury Heated (Priestley's Reaction)

eftir CharlieDE

Ólífrænt

16
0
0
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Oxygen: Potassium Chlorate Heated with Manganese Dioxide at about 240 °C
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Oxygen: Potassium Chlorate Heated with Manganese Dioxide at about 240 °C

eftir CharlieDE

Ólífrænt

14
0
0
0
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Oxygen: Manganese Dioxide Heated to Bright Redness in an Iron Bottle

Oxygen: Manganese Dioxide Heated to Bright Redness in an Iron Bottle

eftir CharlieDE

Ólífrænt

11
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0
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Saltpéturssýra: Chile-saltpétur eimað með brennisteinssýru í járnretórtu
Hættulegt

Saltpéturssýra: Chile-saltpétur eimað með brennisteinssýru í járnretórtu

eftir CharlieDE

Iðnaður

14
0
0
0
0
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Phosphoric Acid: Red Phosphorus Dissolved in Concentrated Nitric Acid (Watson)
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Phosphoric Acid: Red Phosphorus Dissolved in Concentrated Nitric Acid (Watson)

eftir CharlieDE

Ólífrænt

14
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Phosphoric Acid from Bone Ash: Digested with Sulphuric Acid, the Lime Thrown Down
Hættulegt

Phosphoric Acid from Bone Ash: Digested with Sulphuric Acid, the Lime Thrown Down

eftir CharlieDE

Ólífrænt

16
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Oxalic Acid: Wood Soaked in Caustic Alkali and Heated in Hot Air at 300 °C (Plater-Syberg)
Hættulegt

Oxalic Acid: Wood Soaked in Caustic Alkali and Heated in Hot Air at 300 °C (Plater-Syberg)

eftir CharlieDE

Iðnaður

16
0
0
0
0
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Oxalic Acid: Sawdust Heated with Alkali Lye in Vacuum, Oxidised, Precipitated as Calcium Oxalate (Zacher)
Hættulegt

Oxalic Acid: Sawdust Heated with Alkali Lye in Vacuum, Oxidised, Precipitated as Calcium Oxalate (Zacher)

eftir CharlieDE

Iðnaður

13
0
0
0
0
0
Ferric Chloride Solution: Precipitated Sesquioxide Dissolved in Hydrochloric Acid
Hættulegt

Ferric Chloride Solution: Precipitated Sesquioxide Dissolved in Hydrochloric Acid

eftir CharlieDE

Ólífrænt

18
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Ferric Hydroxide: Precipitated from Ferric Chloride with Excess Ammonia

Ferric Hydroxide: Precipitated from Ferric Chloride with Excess Ammonia

eftir CharlieDE

Ólífrænt

13
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Sodium Bicarbonate: Soda Crystals Exposed to Carbonic Acid in Chambers (the Old Process)

Sodium Bicarbonate: Soda Crystals Exposed to Carbonic Acid in Chambers (the Old Process)

eftir CharlieDE

Ólífrænt

12
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Calcium Chloride: Chalk Dissolved in Hydrochloric Acid and Evaporated

Calcium Chloride: Chalk Dissolved in Hydrochloric Acid and Evaporated

eftir CharlieDE

Ólífrænt

15
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Calcium Chloride: Chlorine Passed over Red-Hot Lime
Hættulegt

Calcium Chloride: Chlorine Passed over Red-Hot Lime

eftir CharlieDE

Ólífrænt

11
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Calcium Chloride, Purified: Iron Oxidised with Chlorine Water and Thrown Down with Milk of Lime
Hættulegt

Calcium Chloride, Purified: Iron Oxidised with Chlorine Water and Thrown Down with Milk of Lime

eftir CharlieDE

Ólífrænt

15
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