What's the difference between caustic and mordant?

Caustic


Definition:

  • (a.) Alt. of Caustical
  • (a.) Any substance or means which, applied to animal or other organic tissue, burns, corrodes, or destroys it by chemical action; an escharotic.
  • (a.) A caustic curve or caustic surface.

Example Sentences:

  • (1) According to the report filed by the New York state department of financial services (NYSDFS), when warned by a US colleague about dealings with Iran, a Standard Chartered executive caustically replied: "You f---ing Americans.
  • (2) He had severe standards and was caustic about people in public life and the way things were run.
  • (3) Fatale haemoptysis occurred as a result of circumferential caustic erosion to the right intermediate bronchus caused by a tablet of ferrous sulphate which remained in contact for 4 days.
  • (4) Four cases of combined hypopharyngeal and cervical esophageal stricture secondary to caustic ingestion are presented.
  • (5) Initial endoscopic examination showed moderate caustic esophagitis in all patients, and esophageal atony and poor distension were early roentgenographic observations.
  • (6) The stigma of having no brothers or sisters meant that any acting up was immediately dismissed with a caustic, “Well, he is an only child.” The subtext was that my parents had doted on me excessively, inflating my sense of importance.
  • (7) The caustic property of silver nitrate prompted a double-blind, controlled study of a possible causal relationship between use of the agent for prophylaxis against ophthalmic infection in the newborn and the subsequent development of nasolacrimal duct obstruction.
  • (8) The effects of accidental ingestion of a caustic detergent are studied in the report of 14 patients seen in the Hennepin County Medical Center.
  • (9) The success of conservative treatment has been higher in patients younger than 8 years of age, and in strictures due to caustics other than lye involving upper third portion and less than five cm of an esophageal segment.
  • (10) Despite the sometimes self-deprecating shtick – in sharp contrast to Putin's self-mythologising antics – there remains disquiet about what Navalny really represents, behind the caustic put-downs and cool persona.
  • (11) Caustic ingestion in adults must be viewed as a problem different from that of accidental ingestion in children.
  • (12) Exposure to caustic agents is a common problem, affecting thousands of individuals annually.
  • (13) This result counters the theory that a caustic response is a prerequisite for successful therapy.
  • (14) With both kinds of caustic agents the decrease of acid phosphatase activity was more striking than that of the alkaline phosphatase.
  • (15) Even so, Iain Macleod and Enoch Powell refused invitations to join the new government and Macleod published in the Spectator a caustic account of all the skullduggery.
  • (16) L'eau de Javel (bleaching agent with sodium hypochloride) was the most frequently encountered caustic substance (89%).
  • (17) The indication for esophageal replacement was atresia in 92 children and intractable stricture (peptic, caustic, or congenital) in 20.
  • (18) In order to examine the injuries and functional abnormalities of these sites following caustic ingestion, the records of The Johns Hopkins Swallowing Center were reviewed.
  • (19) Afterwards, in a sign that she has not yet lost her caustic side, Sobchak wrote in her Tatler column: "Bozhena equally suffers for the fate of her motherland as for the fate of her fur coats."
  • (20) Roy Keane’s most outspoken attack on Sir Alex Ferguson branched out into caustic criticisms of José Mourinho as he branded the Chelsea’s manager conduct “disgraceful” and explained why he refused to shake his hand towards the end of Aston Villa’s recent match at Stamford Bridge .

Mordant


Definition:

  • (a.) Biting; caustic; sarcastic; keen; severe.
  • (a.) Serving to fix colors.
  • (n.) Any corroding substance used in etching.
  • (n.) Any substance, as alum or copperas, which, having a twofold attraction for organic fibers and coloring matter, serves as a bond of union, and thus gives fixity to, or bites in, the dyes.
  • (n.) Any sticky matter by which the gold leaf is made to adhere.
  • (v. t.) To subject to the action of, or imbue with, a mordant; as, to mordant goods for dyeing.

Example Sentences:

  • (1) The most successful dyes were phenocyanin TC, gallein, fluorone black, alizarin cyanin BB and alizarin blue S. Celestin blue B with an iron mordant is quite successful if properly handled to prevent gelling of solutions.
  • (2) Duodenal DM flow was estimated with the indigestible markers, Cr-mordanted cell wall, Yb-soaked whole crop oat silage, and Co-EDTA.
  • (3) But his magnificent, exact rendering of the world, in his mordant, civilised and generous prose, has no comparison.
  • (4) As suggested by results obtained with various phenolics and benzoic acid derivatives, the functional groups required for the mordanting effect of such agents are the carboxyl group, and at least one hydroxyl group concomitantly present on the benzene ring.
  • (5) In this study, kinetic estimates derived from chromium-mordanted hay or pellets were compared to estimates derived from rare earth markers (Yb, Dy, or Er) applied individually to samples.
  • (6) The fractional passage rate of the 1-2 mm particles mordanted with Cr did not differ (P greater than 0.05) between groups.
  • (7) This phosphotungstic acid-iron-haematoxylin (PTAIH) method is based on pretreating the sections with phosphotungstic acid followed by an iron alum mordant and staining in haematoxylin with subsequent timed differentiation, at certain stages of which the features listed above appear.
  • (8) His studies into histological staining techniques (principle of elective staining, mordant staining, staining of myelin sheaths) as well as into microtome techniques proved essential to progress in pathology and bacteriology.
  • (9) In the present study, LDL aggregates were examined by electron microscopy, using new mordant techniques for lipid visualization, and by chemical analysis.
  • (10) Selected lobules of human term placentae were extracorporeally perfused for a recovery period of 20 min, fixed by perfusion and mordanted with ferrocyanide prior to processing for transmission electron microscopy.
  • (11) The age of the bacterial culture, the preparation of the smear, the fixation technic, and the mordant have an important influence on the ease with which gram-positive organisms are decolorized.
  • (12) Mordant in 0.4% tannic acid in distilled water for 1 minute.
  • (13) Intense staining, which proved dependent on nucleic acid content, was achieved by using either the preformed lake, mordanting followed by hematoxylin, hematoxylin alone or the lake at high ionic strength.
  • (14) Following our study on the effect of deoxyribonucleic acid (DNA) extraction on nuclear staining with soluble metal mordant dye lakes covering 29 dye lakes we chose a series of lakes representing the three groups: (1) readily prevented by DNA removal, (2) weakened by DNA extraction but not prevented, (3) unaffected by DNA removal, for application of other endgroup blockade reactions.
  • (15) Small and large particle size wheat bran-supplemented diets were used in combination with the particulate digestion marker chromium mordanted bran (CrMB) and the soluble digestion marker cobalt-EDTA (Co EDTA).
  • (16) It was concluded that the low-level-mordanting technique in combination with appropriate sampling yielded a realistic quantitative description of forage breakdown and movement processes in the digestive tract of cattle.
  • (17) Chromium-mordanted fiber was used as a particle phase marker.
  • (18) Surface analysis by XPS (X-ray photoelection spectroscopy), also called ESCA (electron spectroscopy for chemical analysis), indicates that only certain cations are appreciably sorbed by enamel from an acid etching solution containing phosphoric acid and equimolar concentrations of candidate mordant salts.
  • (19) In spontaneously hyperlipoproteinemic old Sprague-Dawley rats, endogenous lipoproteins (LP) in the size range of 15 to 40 nm were directly visualized within the blood vessels due to specimen mordanting with tannic acid.
  • (20) One or two peevish voices thought Imlah too clever, too dustily "Oxonian", failing to see how mordantly modern many of the fables and instances in Birthmarks are, within their formal virtuosity and confidently literary bearing.