I have everything needed. Here's the comparison.

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Batch 23 (a single run) and "Batch 24" (which in this drop is not one batch but six: A, B, C, CI, CR, CR2) share the same core four-ingredient recipe — Sun Surfol R-1400-, P-Pentaoxide, Epomine 018-, 2-ethyl hexyl acrylate — so the changes are in *scale/quantity* and *blend ratio*, plus process tweaks:

Quantities (Step-A resin build). Batch 23: Sun Surfol R-1400- 1010 g + P-Pentaoxide 47.16 g. Batch 24 B: R-1400- 112 g + P-Pentaoxide 4.5 g (a ~1:10 scale-down). Batch 24 CI: R-1400- 450 g + P-Pentaoxide 22.95 g. Epomine 018- (90 g) and 2-ethyl hexyl acrylate (210 g) are unchanged across 23, 24B, and 24CI.

Blend ratio in the final combine (Step C). Batch 23 mixed Step-B mass 20% : Step-A mass 80% at 55 °C. Batch 24 B and 24 CI shifted it to Step-B 15% : Step-A 85%.

Step-B (Epomine + acrylate) temperature. Batch 23 text notes "temp. 75 deg" (the structured step table lists 78–82 °C); Batch 24 B and 24 CI run "temp. 78 deg" — a small bump.

24-series additions: AV adjustment in the post-processing step — "AV adjusted to 39.8 (180 gm AV-46.6 + 37.3 gm R-1400 to AV-39.8)" in 24 C / CR / CR2 (CR2 targets AV-39.7); and pigment tests appear in 24 C ("Pigment Black, Red, Green, Blue – All properties good; Pigment Green/Violet – Strength / Gloss inferior" vs that day's standard).

Gap: Batch 24 A is a stub (no materials or step text extracted), so no recipe values can be compared for it. No dates are recorded for any 24 sub-batch.

I have the context I need. Batch 23's Step-A intermediate was measured at AV-50 but then diluted in the final blend to the ~39.7–39.8 target. The records contain no batch whose *final* product was made at AV 50, and no application test linking an AV level to an outcome.

The records can't answer what would *happen* at AV 50 — that's a process-outcome question requiring a test, and no such test exists in this drop. Here's what the records do support:

What AV 50 means here

• In FOIL's process, "AV" is the acid value of the Step-A resin intermediate (Sun Surfol R-1400- + P-Pentaoxide), not the final product. Batch 23's Step-A digestion landed at "AV-50" [Lab Batch 23, page 1].
• That intermediate is then blended down: Step-A is mixed at 80% (Batch 23) or 85% (Batch 24 B/CI) with the Step-B Epomine 018- + acrylate mass, and the post-processing step tops up/adjusts the blend with R-1400 and AV-46.6 acid to hit the target. Batch 24 C/CR/CR2 records "AV adjusted to 39.8 (180 gm AV-46.6 + 37.3 gm R-1400 to AV-39.8)" and CR2 targets "AV-39.7".
• So AV-50 is an *intermediate* value that gets pulled down to the ~39.7–39.8 final spec.

Targets (labelled as targets, not measurements)

• FOIL's internal target pair from the old ELN: "aminev - 30.1, av - 43.2" [Old ELN SummaryReport (2), Sheet_JS].
• BYK-9076 vendor TDS: "Acid value: 38 mg KOH/g" [BYK-9076 TDS, page 1].

The gap (rule 5)

• No experiment in this drop produced a final product at AV 50, so there is no application/comparative test whose outcome corresponds to "AV raised to 50." Only *failed* test reports exist here, and none attributes a failure to AV level.
• Therefore I cannot say what would happen (gloss, dispersion, stability) at AV 50 — the records simply don't contain that data. A deliberate batch held at AV-50 in the final product, with its test results, would be the missing piece.