C8H5KO4 (Potassium hydrogen phthalate, KHP)
Polymers and photoresists anisotropic
3 datasets, together covering 0.45–1.551 µm. Default: Moutzouris et al. 2011: n(α) 0.450–1.55 µm.
Compare datasets
Tick datasets in the list to add them to the plot (up to 12).
Datasets
Use it in Lightsmith
Load this data in Python, simulate in one more line
pip install lightsmith
import lightsmith as ls
# C8H5KO4 (Potassium hydrogen phthalate, KHP): Moutzouris et al. 2011: n(α) 0.450–1.55 µm
c8h5ko4 = ls.fetch_refractiveindex("organic", "potassium_hydrogen_phthalate", "Moutzouris-α", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(c8h5ko4.range_nm) # (450, 1551) nm
eps = c8h5ko4.eps([633]) # complex permittivityDownloads the original record once (pinned to the imported snapshot) and caches it.
import json, urllib.request
import lightsmith as ls
url = "https://materials.lightsmith.dev/v1/datasets/ds_9f6d869ae329/lightsmith"
c8h5ko4 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(c8h5ko4.source) # citation and provenance travel with the dataAny dataset here, as the library's Tabulated material (potassium-hydrogen-phthalate/moutzouris-2011).
# ... load c8h5ko4 as above, then:
sim = ls.Simulation(
particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=c8h5ko4)],
medium_index=1.0,
wavelengths=ls.WavelengthRange(start_nm=450, stop_nm=1000, num=81),
)
res = ls.solve(sim) # exact Mie for a sphere
print(res.q_ext) # extinction efficiency at each wavelengthSame spec runs with DDA, FDTD, BEM or T-matrix: ls.compare(sim, ["mie", "dda"]).
Lightsmith is open source (MIT): Mie, T-matrix, BEM, DDA, FDTD, RCWA, TMM, mode solvers and inverse design behind one spec, on CPU or GPU. GitHub.
About C8H5KO4 (Potassium hydrogen phthalate, KHP)
Potassium hydrogen phthalate (C8H5KO4) is a white crystalline salt commonly referred to as KHP. Due to its high purity and stability, KHP is frequently utilized as a primary standard for acid-base titrations. This means it has a well-known and stable stoichiometry, which is essential for accurate volumetric analyses. Another key characteristic of KHP is its low hygroscopicity, allowing it to be easily weighed accurately without the worry of moisture absorption skewing the results. In the optics domain, as with many salts, KHP can be utilized to produce specific refractive properties when dissolved in a solvent or integrated within composite materials. Besides its laboratory applications, potassium hydrogen phthalate serves as a buffer solution and can be used in the preparation of certain pharmaceuticals.
Other names: potassium_hydrogen_phthalate, C8H5KO4, Potassium hydrogen phthalate, KHP, Potassium hydrogen phthalate, C8H5KO4, Hydrogen potassium phthalate, Phthalic acid potassium salt, Potassium biphthalate, Potassium acid phthalate, 1,2-Benzenedicarboxylic acid, Monopotassium salt, KHP, KHPh
API: /v1/materials/mat_0b2e3e668ed5 · slug potassium-hydrogen-phthalate