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Codex Radicis Rationalis
   
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Description
The Codex
This Codex is a collection of eleven puzzles arranged in order of increasing difficulty. The bonus [★] Journal-puzzle, Servin's Pseudoprotein, requires more time and effort than puzzles #1-10. The background image is an edited version of Joseph Wright of Derby's The Alchemist Discovering Phosphorus[upload.wikimedia.org].

This collection was made a long time ago.

Relative Difficulty
After some testing, I have formulated a table illustrating the relative difficulties of each puzzle in the Codex using Pure Chromium as a benchmark.

Codex Puzzle
Difficulty
1. Sapient Pearwood
[2/10]
2. Aqua Lustralis
[3/10]
3. Pure Chromium
[5/10]
6. The Reactivity Series
[5/10]
8. Polymethylene
[6/10]
7. Rediscovering Phosphorus
[6/10]
4. Tres Sales
[6.1/10]
9. Corrosive Sublimate
[6.7/10]
10. The Adaptive Indicator
[7.6/10]
5. Aquae Designationis
[8/10]
[★] Servin's Pseudoprotein
[9.4/10]
Items (11)
[CRR #1] Sapient Pearwood
Created by Man-mode
The Codex: Puzzle #1 This is first in a series of puzzles in the Codex Radicis Rationalis Next → Emulate sapient pearwood, a foreign, arboreal material associated with animation and understanding. You must accomplish this task by transmuting ordinary oak w...
[CRR #2] Aqua Lustralis
Created by Man-mode
The Codex: Puzzle #2 This is second in a series of puzzles in the Codex Radicis Rationalis ← Previous Next → Procure aqua lustralis via sacred transmutation of decomposed, unrefined gold ore. Difficulty: Easy as pie rationalRoot's solution Aqua lustralis w...
[CRR #3] Pure Chromium
Created by Man-mode
The Codex: Puzzle #3 This is third in a series of puzzles in the Codex Radicis Rationalis ← Previous Next → Procure a sample of chromium with salt and thallium. Difficulty: MODERATE rationalRoot's solution. This metallic element derives its name from the G...
[CRR #4] Trēs Salēs
Created by Man-mode
The Codex: Puzzle #4 This is fourth in a series of puzzles in the Codex Radicis Rationalis ← Previous Next → Procure the alchemical triumvirate of insoluble salts (potassium iodide , magnesium nitrate , sodium chloride ). You must accomplish this task with...
[CRR #5] Aquae Designationis
Created by Man-mode
The Codex: Puzzle #5 This is fifth in a series of puzzles in the Codex Radicis Rationalis ← Previous Next → Procure the all-important reagents of identification with soda ash , slaked lime and ammonium saltpetre . Difficulty: DIFFICULT The two alkalies, of...
[CRR #6] The Reactivity Series
Created by Man-mode
The Codex: Puzzle #6 This is sixth in a series of puzzles in the Codex Radicis Rationalis ← Previous Next → Your task is to construct a thin alloy sheet composed of layers of metallic elements in the order of the reactivity series. You must accomplish this...
[CRR #7] Rediscovering Phosphorus
Created by Man-mode
The Codex: Puzzle #7 This is seventh in a series of puzzles in the Codex Radicis Rationalis ← Previous Next → Procure phosphorus and two byproducts of the reaction — one, a gas, and the other, a salt of silicon. You must accomplish this task with sieved sa...
[CRR #8] Polymethylene
Created by Man-mode
The Codex: Puzzle #8 This is eighth in a series of puzzles in the Codex Radicis Rationalis ← Previous Next → Synthesize polymethylene with diazomethane . The product should consist of a chain of hydrogen and carbon in a 2:1 ratio. Difficulty: Fair **'Polym...
[CRR #9] Corrosive Sublimate
Created by Man-mode
The Codex: Puzzle #9 This is ninth in a series of puzzles in the Codex Radicis Rationalis ← Previous Next → Procure a sample of mercury(II) chloride with quicksilver and distilled water. Difficulty: Moderate to difficult rationalRoot's solution Ancient pra...
[CRR #10] The Adaptive Indicator
Created by Man-mode
The Codex: Puzzle #10 This is tenth and last in a series of puzzles in the Codex Radicis Rationalis ← Previous Next → Synthesize liquidum indicabile, an indicator solution, with a salt of sodium and phosphorus, hydrochloric acid and distilled alcohol. Diff...
[CRR ★] Servin's Pseudoprotein
Created by Man-mode
The Codex: Extended Journal v. CXIII i. I (Servin, H.) This is the bonus puzzle in the Codex Radicis Rationalis, and is significantly more difficult than puzzles #1-10 of the Codex. ← Previous Recreate Henley Servin's groundbreaking pseudoprotein, with a p...