Pipeline

{
  "fragment_id": "expt-block--34",
  "source_file": "docs/Project Expt Report/28112025  9076 Expt Table 2025.xls",
  "derived_from": "ocr/28112025  9076 Expt Table 2025.converted/28112025  9076 Expt Table 2025.converted_sheet_9076_Experiments.csv",
  "locator": "sheet 9076_Experiments, batch block '34'",
  "extractor": "qwen-tasks/extract-expt-block.md",
  "target_aliases": [
    "34",
    "R-53/07032024"
  ],
  "document_role": "summary_table",
  "payload": {
    "record_type": "synthesis",
    "process_steps": [
      {
        "step": 1,
        "materials": [
          {
            "name": "Surfol R-1400 HV-59 (R-53/07032024)",
            "qty_g": 290,
            "role": "reactant",
            "verbatim": "i) Surfol R-1400 HV-59 (R-53/07032024), 290"
          },
          {
            "name": "Phosphorous pentaoxide",
            "qty_g": 10.8,
            "role": "reactant",
            "verbatim": "ii) Phosphorous pentaoxide, 10.8"
          }
        ],
        "procedure": [
          {
            "seq": 1,
            "temperature": "58",
            "verbatim": "58 (row 1 of multi-line Temp cell; Time cell on this row blank)"
          },
          {
            "seq": 2,
            "temperature": "75",
            "time_h": "4",
            "atmosphere": "N2",
            "verbatim": "75 / 4 / N2 (row 2 of multi-line Temp cell; positional pairing)"
          }
        ],
        "conditions": {
          "temperature": "58 then 75 (multi-line Temp cell; only the 75 row carries a Time value)",
          "time_h": "4 (paired with 75)",
          "atmosphere": "N2"
        },
        "results": [
          {
            "parameter": "acid_value",
            "value": "38.5",
            "verbatim": "A.V. column (row 1): 38.5"
          },
          {
            "parameter": "acid_value",
            "value": "38.35",
            "verbatim": "AV-38.35 (row 2 'Other' cell)"
          },
          {
            "parameter": "saponification_value",
            "value": "43.15",
            "verbatim": "SAP-43.15 (row 2 'Other' cell)"
          },
          {
            "parameter": "hv",
            "value": "37.7",
            "verbatim": "HV-37.7 (row 2 'Other' cell)"
          }
        ],
        "remarks": "Other (row 1): 'After digestion cool to RT and filter through Nylon mesh'; Other (row 2): 'Brownish tincture' and 'AV-38.35/ SAP-43.15/ HV-37.7'."
      },
      {
        "step": 2,
        "materials": [
          {
            "name": "Epomine SP- 018",
            "qty": "30 gm",
            "role": "reactant",
            "verbatim": "i)  Epomine SP- 018, 30 gm"
          },
          {
            "name": "Toluene",
            "qty": "95 ml",
            "role": "solvent",
            "verbatim": "ii) Toluene, 95 ml"
          },
          {
            "name": "AIBN catalyst",
            "qty": "0.2 gm",
            "role": "catalyst",
            "verbatim": "iii) AIBN catalyst, 0.2 gm"
          },
          {
            "name": "2 ethyl hexyl acrylate",
            "qty": "70 gm",
            "role": "reactant",
            "verbatim": "iv)   2 ethyl hexyl acrylate, 70 gm"
          },
          {
            "name": "AIBN catalyst",
            "qty": "0.32 gm",
            "role": "catalyst",
            "verbatim": "v)  AIBN catalyst, 0.32 gm"
          }
        ],
        "procedure": [
          {
            "seq": 1,
            "temperature": "68-72",
            "time_h": "0.15",
            "verbatim": "ii) Toluene row: 68-72 / 0.15 (Vac/N2 blank)"
          },
          {
            "seq": 2,
            "temperature": "68-72",
            "time_h": "1.15",
            "atmosphere": "N2",
            "material": "2 ethyl hexyl acrylate",
            "verbatim": "iv) 2 ethyl hexyl acrylate row: 68-72 / 1.15 hr feed / N2"
          },
          {
            "seq": 3,
            "temperature": "68-72",
            "time_h": "3.5",
            "atmosphere": "N2",
            "material": "AIBN catalyst",
            "verbatim": "v) AIBN catalyst row: 68-72 / 3.5 / N2"
          }
        ],
        "conditions": {
          "temperature": "68-72 (all three condition rows)",
          "time_h": "0.15; 1.15 (2-EHA feed); 3.5",
          "atmosphere": "N2 (rows iv and v; row ii Vac/N2 cell blank)"
        },
        "results": [
          {
            "parameter": "iodine_value",
            "value": "10.5",
            "verbatim": "A.V. column (row v): IV-10.5"
          }
        ],
        "remarks": "Other (row i): 'Stirrer well and disperse amine'; Other (row iv): 'Feed'; Other (row v): 'Initially turbid / After 1 hr clear mass', 'Yellowish after 1.5 hrs'."
      },
      {
        "step": 3,
        "materials": [
          {
            "name": "Step - 1 Product",
            "qty_g": 85,
            "role": "intermediate",
            "verbatim": "Step - 1 Product, 85"
          },
          {
            "name": "Step -  2 Product",
            "qty_g": 15,
            "role": "intermediate",
            "verbatim": "Step -  2 Product , 15"
          }
        ],
        "procedure": [
          {
            "seq": 1,
            "atmosphere": "N2",
            "material": "Step - 1 Product",
            "verbatim": "row 1 Temp cell blank; Time cell 'Feed  slowly \\nover 30 min'; N2; stray '58' appears in row 2's Temp cell (see notes)"
          },
          {
            "seq": 2,
            "temperature": "58-60",
            "time_h": "2.5",
            "atmosphere": "N2",
            "material": "Step -  2 Product",
            "verbatim": "58-60 / 2.5 hr / N2"
          }
        ],
        "conditions": {
          "temperature": "58-60 (Step 2 product row); Step 1 product feed row has blank Temp cell, stray '58' in row 2's Temp cell",
          "time_h": "30 min (feed, from Time cell); 2.5",
          "atmosphere": "N2"
        },
        "results": [
          {
            "parameter": "acid_value",
            "value": "35.62",
            "verbatim": "A.V. column (row 2): AV-35.62"
          }
        ]
      }
    ],
    "observations": "Expt Table remarks: Resolubility pass\n  for violet Black \nand red white "
  },
  "field_confidence": {
    "target_aliases": "high",
    "step1.materials": "high",
    "step1.conditions": "medium — Temp cell spans two rows (58, then 75); only 75 has a paired Time (4) and N2, so 58 is read as an un-timed initial stage",
    "step1.results[0]": "medium — A.V. cell '38.5' unlabelled but consistent with acid value (P2O5 digestion of Surfol) and near the Other-cell 'AV-38.35'",
    "step1.results[1-3]": "high — explicit AV-/SAP-/HV- prefixes",
    "step2.materials": "high",
    "step2.conditions": "high — per-row condition cells",
    "step2.results[0]": "high — 'IV-10.5' is an iodine value held in the A.V. column",
    "step3.materials": "high",
    "step3.conditions": "medium — '58' sits in row 2's Temp cell; whether it belongs to the Step-1-product feed (row 1) or is part of the '58-60' range is ambiguous; read positionally with the row-2 charge",
    "step3.results[0]": "high — 'AV-35.62' explicitly labelled",
    "observations": "high — Remarks column copied verbatim"
  },
  "notes": "No date marker line is printed in this block, so payload.date is absent. Row-span not shown by the prompt (slicer not run per task instruction). Stray values preserved: row 2's '58' (Step 3, Temp column, row of the Step-2-product charge) and the '58' in Step 1 row 1's Temp cell with no Time. Step 2 quantities are in 'gm' and toluene in 'ml' as printed (kept verbatim, not force-fit to qty_g). Step 1 'Other' row 1 ('After digestion cool to RT and filter through Nylon mesh') is kept as a step remark rather than a procedure event."
}