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CHEMICAL LABS

Wet Chemical Analysis

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Wet Chemical Analysis (or Wet chemistry) refers to chemistry done in the liquid phase.

Wet chemistry is utilized at AEIS for identifying and quantifying the elements in metals when optical emission spectroscopy or atomic absorption spectroscopy cannot be reliably performed on a sample. One such example would be filings from an old Cast Iron column in an eighty-five year old building. Wet chemical analysis is also performed as a referee method when controversial results from the other techniques are noted.

Wet chemistry can be performed for coating identification, qualitative chemical measurements like colorimetry (changes in color), other processes like titrimetry and gravimetry.

Materials

Services

Wet chemistry is utilized at AEIS for identifying and quantifying the elements in metals when optical emission spectroscopy or atomic absorption spectroscopy cannot be reliably performed on a sample. One such example would be filings from an old Cast Iron column in an eighty-five year old building. Wet chemical analysis is also performed as a referee method when controversial results from the other techniques are noted.

Wet chemistry can be performed for coating identification, qualitative chemical measurements like colorimetry (changes in color), other processes like titrimetry and gravimetry.

Codes, Standards & Specifications

Wet Chemical Analysis could be done to find the following:

  • Composition
  • Specific gravity
  • Moisture
  • Conductivity
  • pH
  • Salinity
  • Density
  • Concentration

Some of the ASTM standards utilized at AEIS for performing Wet Chemical analysis are:

§  B 767

Standard Guide for Determining Mass Per Unit Area of Electrodeposited and Related Coatings by Gravimetric and Other Chemical Analysis Procedures.

§  C 738

Standard Test Method for Lead and Cadmium Extracted from Glazed ceramic Surfaces.

§  C 1034

Standard Test Method for Lead and Cadmium Extracted from Glazed Ceramic Cookware.

§  E 34

Standard Test Methods for Chemical Analysis of Aluminum and Aluminum – Base Alloys.

§  E 53

Standard Test Methods for Chemical Analysis of Copper in Unalloyed Copper by Gravimetry.

§  E 75

Standard Test Methods for Chemical Analysis of Copper-Nickel- and Copper-Nickel-Zinc Alloys.

§  E 350

Standard Test Methods for Chemical Analysis of Carbon Steel, Low-Alloy Steel, Silicon Electrical Steel, Ingot form and Wrought Iron.

§  E 351

Standard Test Methods for Chemical Analysis of Cast Iron – All types.

§  E 352

Standard Test Methods for Chemical Analysis of Tool Steels and Other Similar Medium and High – Alloy Steels.

§  E 353

Standard Test Methods for Chemical Analysis of Stainless, Heat Resisting, Maraging and Other Similar Chromium – Nickel – Iron Alloys.

§  E 354

Standard Test Methods for Chemical Analysis of High Temperature, Electrical, Magnetic, and other similar Iron, Nickel, and Cobalt Alloys.

§  E 478

Standard Test Methods for Chemical Analysis of Copper Alloys.

§  E 536

Standard Test Methods for Chemical Analysis of Zinc and Zinc Alloys.

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