insoluble residue

insoluble residue

[in′säl·yə·bəl ′rez·ə‚dü]
(geology)
Material remaining after a geological specimen is dissolved in hydrochloric or acetic acid.

insoluble residue

That portion of an aggregate or cement which is not soluble in diluted hydrochloric acid.
References in periodicals archive ?
granulometric composition, mm fraction - 1 mm more than 90% fraction + 1 mm less than 10 % fraction + 3 mm less than 5% insoluble residue less than 7% it is not allowed to have burned lime with inclusions of dark gray agglomerates.
5-2 m long, as well as the insoluble residue of selected samples from different layers were studied by XRD and selectively by scanning electron microscopy integrated with energy-dispersive X-ray spectroscopy (SEM-EDS) methods.
Portland cement's insoluble residue is due to the addition of pozzolans, also identified in the chemical composition (Table 1).
The subtidal distal shelf as well as middle shelf facies have the concentration of insoluble residue occurring along stylolite surfaces are mostly clay minerals and iron oxide (Plates 1C-1F 1H 2B and 2D).
To evaluate the noncarbonate insoluble residue content of larval bivalve shell, the insoluble residue proportion of representative dry weight splits (0.
At room temperature, we used 500 mg of each sample to establish the insoluble residue using hydrochloric acid in a (1:2) ratio, mechanically shaken and heated in boiling water for 60 minutes.
It is also interesting to observe that most trace elements display positive interrelationships with the major insoluble residue components of the rock (Table 6) and prominent among these are the Si[O.
The insoluble residue is neutralized and sent to a waste disposal facility.
The alcohol insoluble residue (AIR) was obtained by processing the dried peels five times with 85 % ethanol (solid/liquid ratio: 1/3 weight/volume) at 70[degrees]C for 20 min and with 95 % ethanol before drying in an oven (50[degrees]C).
The physical and chemical parameters of resulting cement have been studied and compared with British and Pakistan standard specifications, including compressive strength, setting time, consistency, lechatelier expansion, Blaine and insoluble residue.