Purification and sealing "in vacuum" of National Bureau of Standards standard samples of hydrocarbons

Mair, Dylan; Termini, B.J.; Willingham, Charles B.; Rossini, Frederick D.

doi:10.6028/jres.037.014

Cited by 9 publications

(6 citation statements)

References 4 publications

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“…The material is then conside red degassed and is ready for subsequ e nt treatm ent. A s upple m entary di sc ussion on the distillation and collection of liquid hydrocarbon s can be found elsewhere [32].…”

Section: A Distillation and Degassing Procedures For Liquids In A Vamentioning

confidence: 99%

Procedures for homogeneous anionic polymerization

Fetters¹

1966

J. RES. NATL. BUR. STAN. SECT. A.

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This report is a rev ie w of the procedures and equipm e nt used in the preparation of polyniers of predi ctabl e molec ular weights and narrow mol ec ular weight di stributions. The monomers con sidered in detai l are styre ne, a-methyl styre ne, iso pre ne , and butadiene.Key Words: Ho moge neo us anioni c polymerization, monodi s pe rse, polystyrene, poly-a-me thylstyre ne, polyiso pre ne, an d polybutadiene.

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Section: A Distillation and Degassing Procedures For Liquids In A Vamentioning

confidence: 99%

Procedures for homogeneous anionic polymerization

Fetters¹

1966

J. RES. NATL. BUR. STAN. SECT. A.

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“…Wher e feasible, purities were determined on selected hydrocarbons by mass spectrometry, low-temperature calorimetry [6], or freezingcurve analysis [1 3]. The low-boiling compounds and some of th e unsaturates wer e sealed under their own vapor pressure [10] . The physical properties measured on th e compounds prepared in this work and on their intermediates are 3ted in table 2, along with purity determinations, where made.…”

Section: 3 Determination Of Physical Propertiesmentioning

confidence: 99%

Synthesis and physical properties of several aliphatic and alicyclic hydrocarbons

Pomerantz¹,

Fookson²,

Mears³

et al. 1954

J. RES. NATL. BUR. STAN.

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“…Liquid samples contained in ampoules with internal vacuum break-off tips were handled as described in (12). Samples in containers of other types, such as bottles, plain ampoules, etc., were introduced into the condensing tube directly (after slight cooling to reduce losses by evaporation).…”

Section: Lowering Of Freezing Point On Addition Of Known Amounts Of K...mentioning

confidence: 99%