chemical indicator

Also found in: Encyclopedia.

chemical indicator

1 a commercially prepared device that monitors all or part of the physical conditions of the sterilization cycle. It usually consists of a sensitive ink dye that changes color under certain conditions.
2 a compound added to a reaction system to show, typically by a change in color, when the process is complete, as in an acid-base titration.

chem·i·cal in·di·ca·tor

(kemi-kăl indi-kā-tŏr)
A color change or appearance of a mark indicating that a chemical reaction has occurred.
References in periodicals archive ?
Unwrapped sterilization should be used only under certain conditions: l) Thorough cleaning and drying of instruments precedes the unwrapped sterilization cycle; 2) Mechanical monitors are checked and chemical indicators used for each cycle; 3) Care is taken to avoid thermal injury to dental workers or patients; and 4) Items are transported aseptically to the point of use to maintain sterility.
The study provides a decisive view of the global chemical indicator inks market by segmenting it in terms of sterilization process, product, printing process, and application.
1-3,5,6) External indicators, such as chemical indicator tape, are applied to the outside of a package and the indicator changes color rapidly when a specific parameter is reached.
Swinney and colleague Qi Ouyang then used this apparatus to demonstrate how adjusting the temperature or concentration of one or more of the reacting chemicals could abruptly produce a distinctive, stationary pattern of concentrations - made visible by a chemical indicator, which changes color in the presence of certain substances.
LGI manufactures clean room labels, product identification and bar code labels, high temperature labels, cryogenic and chemical indicator labels, front panel overlays, membrane switches, die cut parts, ESD/RFI/EMI insulators and shields, thermal molded and film insert molded 3D parts, regulatory compliant labels (UL, CSA, RoHS, WEEE), and tamper, temperature and moisture indicating labels.
1,3) An internal chemical indicator should be placed in every package, and an external chemical indicator (chemical indicator tape) should be used when the internal indicator cannot- be seen from outside the package.
Is a color-change chemical indicator used inside and in the center of each pack?
bag p / 25x36 sterilize medical grade plastic bag paper (mixed) with adhesive closure and chemical indicator for steam and gas sterilization size 25x36 cm,5fr subclavian triple lumen catheter.
OTC/BB:ERES) supplier of a broad range of temperature monitoring devices for ensuring the freshness and safety of food, pharmaceuticals and other perishables, has acquired VITSAB AG, of Malmo, Sweden, a leader in the field of specialized chemical indicator tags used in the transport of refrigerated foodstuffs and other temperature-sensitive commodities, Dr.

Full browser ?