Spectroscopy — Electro Fenton degradation of glyphosate by incrassated defect-free conductive Cu metal organic framework

Measurement evidence

Spectroscopy

Electro Fenton degradation of glyphosate by incrassated defect-free conductive Cu metal organic framework · Xu W., Chen K., Yang Y. et al. · Process Safety and Environmental Protection · 2025 · 107991

2 measurement groups · 31 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

X-ray photoelectron spectroscopy

Cu-HHTP powder · Powder

Thermo Scientific K-Alpha, monochromatic Al-Kalpha radiation; survey plus high-resolution Cu 2p and O 1s.

Context
Pristine Cu-HHTP powder elemental states.
Measurement source
3 · 2.4 Surface and elemental characterization · Fig. 1g-i
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu 2p1/2 Cu+ peak~951.75 eV~Text
Approximate
4 · 3.1 Characterization of Cu-HHTP powder · Fig. 1h
Cu 2p1/2 Cu2+ peak~953.75 eV~Text
Approximate
4 · 3.1 Characterization of Cu-HHTP powder · Fig. 1h
Cu 2p3/2 Cu+ peak~932.21 eV~Text
Approximate
4 · 3.1 Characterization of Cu-HHTP powder · Fig. 1h
Cu 2p3/2 Cu2+ peak~933.87 eV~Text
Approximate
4 · 3.1 Characterization of Cu-HHTP powder · Fig. 1h
O 1s lattice oxygen peak~530.16 eV~Text
Approximate
4 · 3.1 Characterization of Cu-HHTP powder · Fig. 1i
O 1s chemisorbed oxygen peak~531.98 eV~Text
Approximate
4 · 3.1 Characterization of Cu-HHTP powder · Fig. 1i
O 1s adsorbed OH peak~532.68 eV~Text
Approximate
4 · 3.1 Characterization of Cu-HHTP powder · Fig. 1i

EPR with DMPO trapping, LC-MS degradation-product analysis, ECOSAR toxicity estimation

10CAT-1 Film · Electrode

EPR identifies DMPO-*OH; LC-MS after 60 min identifies degradation fragments; ECOSAR estimates LC50 for glyphosate and intermediates.

Atmosphere
ambient air for electro-Fenton degradation
Geometry
10CAT-1 Film electro-Fenton system
Context
Mechanistic and toxicity evidence for target film degradation pathway.
Measurement source
8 · 3.5 Glyphosate degradation performance evaluation · Fig. 5d-h
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
DMPO-*OH EPR signalMarked as a best value within this paperfour characteristic peaks with 1:2:2:1 response; stronger for defect-free intense Cu-HHTP filmText
Qualitative
9 · 3.5 Glyphosate degradation performance evaluation · Fig. 5d
glyphosate LC50 for daphnia54.25 mg/LText
Exact Reported
9 · 3.5 Glyphosate degradation performance evaluation · Fig. 5h
glyphosate LC50 for fathead minnow39.52 mg/LText
Exact Reported
9 · 3.5 Glyphosate degradation performance evaluation · Fig. 5g
AMPA/P1 LC50 for daphnid124.64 mg/LSI Table
Exact Reported
19 · Supporting information · Table S4
AMPA/P1 LC50 for fathead minnow68.89 mg/LSI Table
Exact Reported
19 · Supporting information · Table S4
CH3PO3/P2 LC50 for daphnid190.73 mg/LSI Table
Exact Reported
19 · Supporting information · Table S4
CH3PO3/P2 LC50 for fathead minnow105.02 mg/LSI Table
Exact Reported
19 · Supporting information · Table S4
glyoxylic acid/P3 LC50 for daphnid1445.45 mg/LSI Table
Exact Reported
19 · Supporting information · Table S4
glyoxylic acid/P3 LC50 for fathead minnow702.23 mg/LSI Table
Exact Reported
19 · Supporting information · Table S4
acetic acid/P4 LC50 for daphnid1035.97 mg/LSI Table
Exact Reported
19 · Supporting information · Table S4
acetic acid/P4 LC50 for fathead minnow762.37 mg/LSI Table
Exact Reported
19 · Supporting information · Table S4
formic acid/P5 LC50 for daphnid2467.661104 mg/LSI Table
Exact Reported
19 · Supporting information · Table S4
formic acid/P5 LC50 for fathead minnow762.580184 mg/LSI Table
Exact Reported
19 · Supporting information · Table S4
acetic acid fragment ionm/z = 61.91Text
Exact Reported
9 · 3.5 Glyphosate degradation performance evaluation · Fig. 5e,f
AMPA fragment ionm/z = 111.88Text
Exact Reported
9 · 3.5 Glyphosate degradation performance evaluation · Fig. 5e,f
CH3PO3 fragment ionm/z = 96.89Text
Exact Reported
9 · 3.5 Glyphosate degradation performance evaluation · Fig. 5e,f
formic acid fragment ionm/z = 45.95Text
Exact Reported
9 · 3.5 Glyphosate degradation performance evaluation · Fig. 5e,f
glyoxylic acid fragment ionm/z = 78.91Text
Exact Reported
9 · 3.5 Glyphosate degradation performance evaluation · Fig. 5e,f
Glyphosate molecular ionm/z = 168.06Text
Exact Reported
9 · 3.5 Glyphosate degradation performance evaluation · Fig. S13
phosphate fragment ionm/z = 32.00Text
Exact Reported
9 · 3.5 Glyphosate degradation performance evaluation · Fig. 5e,f
Harmful acute toxicity upper threshold10 < LC50 < 100 mg/LSI Table
Range
18 · Supporting information · Table S3
Harmful acute toxicity lower threshold10 < LC50 < 100 mg/LSI Table
Range
18 · Supporting information · Table S3
Not harmful acute toxicity thresholdLC50 > 100 mg/LSI Table
Range
18 · Supporting information · Table S3
toxicity trend of degradation intermediatesMarked as a best value within this paperLC50 values of P1 to P5 rise significantly; second-step intermediates classified as not harmfulExact Table S4 values unavailable in SI textText
Qualitative
9 · 3.5 Glyphosate degradation performance evaluation · Fig. 5g,h; Table S4