paraffin

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Related to paraffinic: naphthenic

paraffin

 [par´ah-fin]
1. a purified mixture of solid hydrocarbons from petroleum, used for embedding histological specimens and as a stiffening agent in pharmaceutical preparations.
2. alkane.
liquid paraffin see mineral oil.

par·af·fin

(par'ă-fin),
1. One of the methane series of acyclic hydrocarbons.
2. Synonym(s): hard paraffin
[L. parum, little, + affinis, neighboring, akin, so called because of its slight tendency to chemical reaction]

paraffin

/par·af·fin/ (par´ah-fin)
1. a purified hydrocarbon wax used for embedding histological specimens and as a stiffening agent in pharmaceutical preparations.
2. alkane.

liquid paraffin  mineral oil.

paraffin

[per′əfin]
Etymology: L, parum, little + affinis, related
any of a group of hydrocarbons or hydrocarbon mixtures of the paraffin series as indicated by the formula, CnH(2n+2). Examples include methane gas, kerosene, and paraffin wax. Also called alkane.

alkane

Any of a number of saturated aliphatic (straight-chain) hydrocarbons of the methane series (methane, ethane, propane, butane, pentane, hexane, septane, octane, nonane, decane, etc.), in which the carbons are joined to other carbons by single bonds.

hard par·af·fin

(hahrd pară-fin)
Purified mixture of solid hydrocarbons derived from petroleum.
Synonym(s): paraffin (2) .

paraffin (par´əfin),

n a group of hydrocarbons or hydrocarbon mixtures of the paraffin series as indicated by the formula C11H(2n+2). Examples include methane gas, kerosene, and paraffin wax.

paraffin

1. a purified hydrocarbon wax used for embedding histological specimens.
2. a saturated hydrocarbon used as a fuel oil. Poisoning causes gastroenteritis and aspiration pneumonia, the latter being secondary to vomiting. Called also alkane, kerosene, lamp oil. See also oil.
3. petrolatum.

paraffin embedding technique
the most commonly used technique for the preparation of slides of tissue for light microscopic examination.
liquid paraffin
liquid petrolatum. See mineral oil.
References in periodicals archive ?
At high temperature (225[degrees]C/437[degrees]F), naphthenic mineral oil showed higher TAN than paraffinic mineral oil and alkylbenzene.
1, indicates that the heating of the samples on exposure to microwaves increased with the absence of paraffinic oil.
Another characteristic of straight chained molecules is when they are in the boiling range of gasoil and are used in an engine as diesel fuel, these paraffinic molecules cause the diesel fuel to auto-ignite well.
Overall, paraffinic oil outperformed soybean oil, cottonseed oil, No.
According to study leader Yoshio Tsuchiya of the National Research Council of Canada (NRCC) in Ottawa, these paraffinic hydrocarbons are members of a larger class of compounds called volatile organic compounds (VOCs), which are among the major components of indoor air pollution and are believed to contribute to "sick building syndrome.
It explains qualitative and quantitative aspects of transformer oil types such as mineral oil - naphthenic & paraffinic, silicone, and bio-based transformer oils.
Calumet Penreco LLC manufactures a full line of naphthenic and paraffinic oils, aliphatic solvents, white mineral oils, petroleum waxes, petrolatum and hydrocarbon gels.
8 million tonnes per year (tpy) of NGL, storage facilities, and a loading jetty to export propane, butane, and paraffinic naphtha.
The airframer has published a report about ground and flight tests conducted between 2006 and 2009, titled Evaluation of bio-derived synthetic paraffinic kerosene (Bio-SPK).
Royalene 694 and 4697 are high-MW grades extended with a new white paraffinic oil.
The company also successfully converted the cellulosic isobutanol into isobutylene and paraffinic kerosene (jet fuel).
Other changes include processes required for production of low sulfur fuel, expanded use of polyphosphoric acid and petroleum distillates, and addition of recycled materials such as re-refined engine oil bottoms (REOB), paraffinic base oils, bio binders, and ground tire rubber.