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{
"summary": "Row-level audit of the OCx25 release (6707 experiment rows, 560 tested samples, 291 target compositions in 57 element systems). The core measurements are internally consistent: every published avg row equals its replicate mean, voltages are in plausible ranges, and no gas FE is negative. Replicate reproducibility is good (median within-target SD: HER V@50 0.045 V; FE_CO@100 2.16 pts). Data errors that need fixing are: three reused sample ids, one sample labelled Zn that is about 95% Cu by XRF and behaves like Cu, a failed replicate averaged into its published mean, gas FE totals above 100% handled with two conventions, and fe_liquid being a computed balance rather than a measurement. The XRF formula strings, and therefore the dashboard composition, are renormalised over target elements and hide non-target signal; the dashboard also mixes GDE, wafer, sibling and target compositions silently. Batch and source effects beyond composition are present in several systems. Composition-space outliers are mostly replicated and look like chemistry. Limitations: the ocx25-data Skill (prepare_targets.py, reference.md, review.md) could not be read from this client, so 3.3 V quantities are a non-canonical re-implementation and the comparison with the paper's noise floors is not made. Credit: OCx24/OCx25 paper, dataset and full author team.",
"counts": {
"rows": 6707,
"samples": 560,
"target_compositions": 291,
"element_systems": 57,
"samples_without_xrf": 161
},
"replicate_reproducibility": [
{
"source": "vsp",
"reaction": "HER",
"quantity": "her_voltage_50",
"n_groups": 53,
"median_sd": 0.043589,
"notes": "HER full-cell voltage at 50 mA/cm2 [V]. Overall: median SD across 53 (source, target) groups with >=2 replicates (IQR 0.03-0.0707; median group mean 2.88). Within batch: 48 groups, median SD 0.0404. Median SD by batch: b2=0.0554; b3=0.0606; b4=0.0475; b5=0.038; b8=0.0925; b10=0.0321; b11=0.106; b13=0.0428; b14=0.0354; b15=0.0954; b20=0.0379; b23=0.0246; b26=0.0321; b27=0.0721; b28=0.0276; b29=0.0354; b30=0.0122; b33=0.0285."
},
{
"source": "uoft",
"reaction": "HER",
"quantity": "her_voltage_50",
"n_groups": 87,
"median_sd": 0.045826,
"notes": "HER full-cell voltage at 50 mA/cm2 [V]. Overall: median SD across 87 (source, target) groups with >=2 replicates (IQR 0.0297-0.0781; median group mean 2.71). Within batch: 87 groups, median SD 0.0458. Median SD by batch: b4=0.0451; b5=0.066; b6=0.0458; b7=0.0551; b8=0.0436; b9=0.0451; b10=0.0495."
},
{
"source": "all",
"reaction": "HER",
"quantity": "her_voltage_50",
"n_groups": 140,
"median_sd": 0.045459,
"notes": "HER full-cell voltage at 50 mA/cm2 [V]. Overall: median SD across 140 (source, target) groups with >=2 replicates (IQR 0.03-0.0752; median group mean 2.76). Within batch: 135 groups, median SD 0.0451. Median SD by batch: b2=0.0554; b3=0.0606; b4=0.0451; b5=0.0611; b6=0.0458; b7=0.0551; b8=0.0436; b9=0.0451; b10=0.0408; b11=0.106; b13=0.0428; b14=0.0354; b15=0.0954; b20=0.0379; b23=0.0246; b26=0.0321; b27=0.0721; b28=0.0276; b29=0.0354; b30=0.0122; b33=0.0285."
},
{
"source": "vsp",
"reaction": "CO2RR",
"quantity": "voltage@50",
"n_groups": 51,
"median_sd": 0.045092,
"notes": "voltage at 50 mA/cm2 [V]. Overall: median SD across 51 (source, target) groups with >=2 replicates (IQR 0.021-0.0633; median group mean 2.9). Within batch: 46 groups, median SD 0.0395. Median SD by batch: b2=0.0533; b3=0.0384; b4=0.0248; b5=0.0522; b8=0.0581; b10=0.07; b11=0.106; b13=0.0495; b14=0.02; b15=0.0614; b20=0.0335; b23=0.0246; b26=0.0416; b27=0.0569; b28=0.0875; b29=0.0306; b30=0.0371."
},
{
"source": "uoft",
"reaction": "CO2RR",
"quantity": "voltage@50",
"n_groups": 87,
"median_sd": 0.046188,
"notes": "voltage at 50 mA/cm2 [V]. Overall: median SD across 87 (source, target) groups with >=2 replicates (IQR 0.0294-0.0707; median group mean 3). Within batch: 87 groups, median SD 0.0462. Median SD by batch: b4=0.0611; b5=0.0778; b6=0.0212; b7=0.0451; b8=0.0404; b9=0.0321; b10=0.0707."
},
{
"source": "all",
"reaction": "CO2RR",
"quantity": "voltage@50",
"n_groups": 138,
"median_sd": 0.046007,
"notes": "voltage at 50 mA/cm2 [V]. Overall: median SD across 138 (source, target) groups with >=2 replicates (IQR 0.0255-0.0702; median group mean 2.97). Within batch: 133 groups, median SD 0.0451. Median SD by batch: b2=0.0533; b3=0.0384; b4=0.0467; b5=0.0778; b6=0.0212; b7=0.0451; b8=0.0404; b9=0.0321; b10=0.0704; b11=0.106; b13=0.0495; b14=0.02; b15=0.0614; b20=0.0335; b23=0.0246; b26=0.0416; b27=0.0569; b28=0.0875; b29=0.0306; b30=0.0371."
},
{
"source": "vsp",
"reaction": "CO2RR",
"quantity": "fe_h2@50",
"n_groups": 51,
"median_sd": 4.336537,
"notes": "fe_h2 at 50 mA/cm2 [%]. Overall: median SD across 51 (source, target) groups with >=2 replicates (IQR 2.21-6.99; median group mean 56.8). Within batch: 46 groups, median SD 4.34. Median SD by batch: b2=2.23; b3=9.78; b4=3.7; b5=6.63; b8=13.7; b10=3.45; b11=1.05; b13=6.33; b14=3.02; b15=3.82; b20=4.22; b23=11.3; b26=1.22; b27=4.66; b28=12.5; b29=2.26; b30=1.83."
},
{
"source": "uoft",
"reaction": "CO2RR",
"quantity": "fe_h2@50",
"n_groups": 87,
"median_sd": 3.89532,
"notes": "fe_h2 at 50 mA/cm2 [%]. Overall: median SD across 87 (source, target) groups with >=2 replicates (IQR 2.1-6.48; median group mean 56.7). Within batch: 87 groups, median SD 3.9. Median SD by batch: b4=3.65; b5=2.31; b6=5.07; b7=3.64; b8=4.49; b9=5.21; b10=6.95."
},
{
"source": "all",
"reaction": "CO2RR",
"quantity": "fe_h2@50",
"n_groups": 138,
"median_sd": 4.188258,
"notes": "fe_h2 at 50 mA/cm2 [%]. Overall: median SD across 138 (source, target) groups with >=2 replicates (IQR 2.17-6.59; median group mean 56.8). Within batch: 133 groups, median SD 4.1. Median SD by batch: b2=2.23; b3=9.78; b4=3.65; b5=2.47; b6=5.07; b7=3.64; b8=5.28; b9=5.21; b10=5.2; b11=1.05; b13=6.33; b14=3.02; b15=3.82; b20=4.22; b23=11.3; b26=1.22; b27=4.66; b28=12.5; b29=2.26; b30=1.83."
},
{
"source": "vsp",
"reaction": "CO2RR",
"quantity": "fe_co@50",
"n_groups": 51,
"median_sd": 3.448708,
"notes": "fe_co at 50 mA/cm2 [%]. Overall: median SD across 51 (source, target) groups with >=2 replicates (IQR 1.65-6.83; median group mean 21.7). Within batch: 46 groups, median SD 3.41. Median SD by batch: b2=2.57; b3=10.1; b4=0.516; b5=5.2; b8=13.8; b10=1.53; b11=3.66; b13=6.66; b14=2.26; b15=4.52; b20=5.68; b23=3.62; b26=1.27; b27=2.83; b28=7.81; b29=8.23; b30=0."
},
{
"source": "uoft",
"reaction": "CO2RR",
"quantity": "fe_co@50",
"n_groups": 87,
"median_sd": 2.054484,
"notes": "fe_co at 50 mA/cm2 [%]. Overall: median SD across 87 (source, target) groups with >=2 replicates (IQR 0.993-6.02; median group mean 25). Within batch: 87 groups, median SD 2.05. Median SD by batch: b4=2.96; b5=0.475; b6=2.05; b7=3.19; b8=2.28; b9=1.12; b10=0."
},
{
"source": "all",
"reaction": "CO2RR",
"quantity": "fe_co@50",
"n_groups": 138,
"median_sd": 2.456032,
"notes": "fe_co at 50 mA/cm2 [%]. Overall: median SD across 138 (source, target) groups with >=2 replicates (IQR 1.09-6.51; median group mean 23). Within batch: 133 groups, median SD 2.38. Median SD by batch: b2=2.57; b3=10.1; b4=2.3; b5=1.12; b6=2.05; b7=3.19; b8=4.8; b9=1.12; b10=0.765; b11=3.66; b13=6.66; b14=2.26; b15=4.52; b20=5.68; b23=3.62; b26=1.27; b27=2.83; b28=7.81; b29=8.23; b30=0."
},
{
"source": "vsp",
"reaction": "CO2RR",
"quantity": "fe_c2h4@50",
"n_groups": 51,
"median_sd": 0.0,
"notes": "fe_c2h4 at 50 mA/cm2 [%]. Overall: median SD across 51 (source, target) groups with >=2 replicates (IQR 0-0.00243; median group mean 0). Within batch: 46 groups, median SD 0. Median SD by batch: b2=0; b3=0; b4=0.00122; b5=0; b8=0; b10=0; b11=0.0113; b13=0; b14=0; b15=0; b20=0.00446; b23=0.000894; b26=0; b27=0; b28=0.00235; b29=0; b30=0.00379."
},
{
"source": "uoft",
"reaction": "CO2RR",
"quantity": "fe_c2h4@50",
"n_groups": 87,
"median_sd": 0.000843,
"notes": "fe_c2h4 at 50 mA/cm2 [%]. Overall: median SD across 87 (source, target) groups with >=2 replicates (IQR 0-0.0036; median group mean 0.00281). Within batch: 87 groups, median SD 0.000843. Median SD by batch: b4=0.00146; b5=0.000421; b6=0.00146; b7=0; b8=0.00179; b9=0; b10=0."
},
{
"source": "all",
"reaction": "CO2RR",
"quantity": "fe_c2h4@50",
"n_groups": 138,
"median_sd": 0.0,
"notes": "fe_c2h4 at 50 mA/cm2 [%]. Overall: median SD across 138 (source, target) groups with >=2 replicates (IQR 0-0.00296; median group mean 0). Within batch: 133 groups, median SD 0. Median SD by batch: b2=0; b3=0; b4=0.00146; b5=0; b6=0.00146; b7=0; b8=0.00146; b9=0; b10=0; b11=0.0113; b13=0; b14=0; b15=0; b20=0.00446; b23=0.000894; b26=0; b27=0; b28=0.00235; b29=0; b30=0.00379."
},
{
"source": "vsp",
"reaction": "CO2RR",
"quantity": "fe_gas_total@50",
"n_groups": 51,
"median_sd": 3.102546,
"notes": "fe_gas_total at 50 mA/cm2 [%]. Overall: median SD across 51 (source, target) groups with >=2 replicates (IQR 1.74-5.92; median group mean 83.2). Within batch: 46 groups, median SD 2.79. Median SD by batch: b2=1.13; b3=5.27; b4=3.02; b5=2.04; b8=1.17; b10=2.6; b11=4.73; b13=6.37; b14=1.57; b15=4.36; b20=1.77; b23=13.6; b26=1.69; b27=4.66; b28=6.63; b29=2.56; b30=1.85."
},
{
"source": "uoft",
"reaction": "CO2RR",
"quantity": "fe_gas_total@50",
"n_groups": 87,
"median_sd": 3.262619,
"notes": "fe_gas_total at 50 mA/cm2 [%]. Overall: median SD across 87 (source, target) groups with >=2 replicates (IQR 1.93-6.39; median group mean 84.4). Within batch: 87 groups, median SD 3.26. Median SD by batch: b4=3.15; b5=1.83; b6=3.32; b7=7.43; b8=3.88; b9=2.96; b10=6.95."
},
{
"source": "all",
"reaction": "CO2RR",
"quantity": "fe_gas_total@50",
"n_groups": 138,
"median_sd": 3.214935,
"notes": "fe_gas_total at 50 mA/cm2 [%]. Overall: median SD across 138 (source, target) groups with >=2 replicates (IQR 1.77-6.35; median group mean 83.9). Within batch: 133 groups, median SD 3.17. Median SD by batch: b2=1.13; b3=5.27; b4=3.14; b5=1.83; b6=3.32; b7=7.43; b8=3.25; b9=2.96; b10=4.78; b11=4.73; b13=6.37; b14=1.57; b15=4.36; b20=1.77; b23=13.6; b26=1.69; b27=4.66; b28=6.63; b29=2.56; b30=1.85."
},
{
"source": "vsp",
"reaction": "CO2RR",
"quantity": "rate_h2@50",
"n_groups": 51,
"median_sd": 40.450532,
"notes": "rate_h2 at 50 mA/cm2 [umol/h/cm2]. Overall: median SD across 51 (source, target) groups with >=2 replicates (IQR 20.6-65.2; median group mean 530). Within batch: 46 groups, median SD 40.5. Median SD by batch: b2=20.8; b3=91.2; b4=34.5; b5=61.8; b8=128; b10=32.2; b11=9.8; b13=59.1; b14=28.2; b15=35.7; b20=39.4; b23=106; b26=11.3; b27=43.5; b28=117; b29=21.1; b30=17.1."
},
{
"source": "uoft",
"reaction": "CO2RR",
"quantity": "rate_h2@50",
"n_groups": 87,
"median_sd": 36.334929,
"notes": "rate_h2 at 50 mA/cm2 [umol/h/cm2]. Overall: median SD across 87 (source, target) groups with >=2 replicates (IQR 19.6-60.4; median group mean 529). Within batch: 87 groups, median SD 36.3. Median SD by batch: b4=34; b5=21.6; b6=47.3; b7=34; b8=41.9; b9=48.6; b10=64.8."
},
{
"source": "all",
"reaction": "CO2RR",
"quantity": "rate_h2@50",
"n_groups": 138,
"median_sd": 39.067414,
"notes": "rate_h2 at 50 mA/cm2 [umol/h/cm2]. Overall: median SD across 138 (source, target) groups with >=2 replicates (IQR 20.2-61.5; median group mean 530). Within batch: 133 groups, median SD 38.2. Median SD by batch: b2=20.8; b3=91.2; b4=34; b5=23; b6=47.3; b7=34; b8=49.3; b9=48.6; b10=48.5; b11=9.8; b13=59.1; b14=28.2; b15=35.7; b20=39.4; b23=106; b26=11.3; b27=43.5; b28=117; b29=21.1; b30=17.1."
},
{
"source": "vsp",
"reaction": "CO2RR",
"quantity": "rate_co@50",
"n_groups": 51,
"median_sd": 32.16901,
"notes": "rate_co at 50 mA/cm2 [umol/h/cm2]. Overall: median SD across 51 (source, target) groups with >=2 replicates (IQR 15.4-63.7; median group mean 203). Within batch: 46 groups, median SD 31.8. Median SD by batch: b2=24; b3=94.5; b4=4.82; b5=48.5; b8=128; b10=14.3; b11=34.1; b13=62.2; b14=21.1; b15=42.2; b20=53; b23=33.7; b26=11.8; b27=26.4; b28=72.8; b29=76.7; b30=0."
},
{
"source": "uoft",
"reaction": "CO2RR",
"quantity": "rate_co@50",
"n_groups": 87,
"median_sd": 19.163904,
"notes": "rate_co at 50 mA/cm2 [umol/h/cm2]. Overall: median SD across 87 (source, target) groups with >=2 replicates (IQR 9.26-56.1; median group mean 233). Within batch: 87 groups, median SD 19.2. Median SD by batch: b4=27.6; b5=4.43; b6=19.2; b7=29.8; b8=21.3; b9=10.4; b10=0."
},
{
"source": "all",
"reaction": "CO2RR",
"quantity": "rate_co@50",
"n_groups": 138,
"median_sd": 22.909483,