4 results about "Optical emission spectrometry" patented technology

An optical emission spectrometer is provided. The optical emission spectrometer includes a plasma source, an optical assembly, a reference light source, and a first mirror. The plasma source is arranged to emit light. The optical assembly includes a plurality of optical components arranged to direct light traveling in a first direction from the plasma source along a first optical path to an entrance slit of the optical emission spectrometer. The reference light source is used for calibrating the spectrometer, wherein the reference light source is arranged to output reference light along a reference light path. The first reflector is arranged to selectively switch the reference light to the first light path, thereby guiding the reference light to the entrance slit for calibrating the optical emission spectrometer.

The present invention provides: a surface-treated titanium material which is used for adhesive bonding and with which it is possible to further improve bondability; and a bonded body which includes the surface-treated titanium material. Provided is a surface-treated titanium material in which a silane film is provided on at least a part of the surface of a titanium base material, wherein when element distribution is measured by glow discharge optical emission spectrometry with respect to a region R1 on the outermost surface and a region R2 at a depth of 10 nm from the region R1 in a region in which the silane film is provided, the atomic concentration of silicon in the region R1 is 3.0 atom% to 30.0 atom% inclusive. The decrease rate M of the silicon concentration is 50% or more as calculated by formula (1) on the basis of the atomic concentration A1 of silicon in the region R1 and the atomic concentration A2 of silicon in the region R2. (1): M = ((A1 – A2) / A1) × (100)

Provided are: a synthetic fiber treatment agent that is capable of improving the flexibility of a synthetic fiber to which the synthetic fiber treatment agent is applied, particularly the flexibility of a twisted yarn or a cord using the synthetic fiber, and capable of reducing fluff; and a synthetic fiber. A synthetic fiber treatment agent according to the present invention is characterized by comprising a prescribed tertiary alkanolamine (A), a smoothing agent (B), and an organic phosphoric acid ester compound (C) which is at least one selected from organic phosphoric acid esters and salts thereof, and is characterized in that the mass ratio Ma / Mp of the content Ma of the tertiary alkanolamine (A) to the content Mp of phosphorus detected by ICP optical emission spectrometry is 6 or more.

The application discloses a kind of carbonate geological sample carbonate combined state chlorine extraction test methods, using deionized water to wash carbonate geological sample to no chlorine ion, after sample drying, add acetic acid solution to dissolve, obtain dissolving solution;Dissolving solution is added in cation exchange resin, and the solution after exchange is collected;10ppm In internal standard is added in the solution collected after resin exchange, the chlorine ion content in solution is detected using inductively coupled plasma mass spectrometry;Dilute dissolving solution using dilute nitric acid solution, use inductively coupled plasma optical emission spectrometry to detect the calcium magnesium content in dilution solution liquid, calculate carbonate combined state chlorine value, i.e. Cl / Ca value or Cl / (Ca+Mg) value.The application is washed by deionized water Sample, acetic acid dissolves sample, ICP-MS, ICP-OES detects solution element content, not only can effectively extract, test carbonate combined state chlorine in carbonate geological sample, avoid the pollution of non-carbonate mineral chlorine, also have the characteristics that experimental reagent is easy to obtain, simple operation, detection precision is high.