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glass bottles
Phosphine in amounts as small as 30 ng per 1 can be stored for several days in glass bottles covered with rubber septa, filled with nitrogen, in the presence or absence of water or of an anaerobic bacterial culture.
      
We have established an assay system for determining cellular transformation in terms of anchorage-independent growth, using screw-capped glass bottles and a spontaneously transformed cell line that was derived from golden hamster embryo cells.
      
In glass bottles, the solution should be acidified to pH 1.
      
This study presents experiments with butyltin compounds showing that the storage of filtered natural seawater in the dark at pH 2 in pyrex glass bottles is suitable to preserve the stability of tributyltin (TBT) over 4 months both at 20-25°C and 4°C.
      
The cow milk analyzed from glass bottles showed a mean of 29 pg TEQ/l (range >amp;lt; 10 - 67 pg TEQ/l).
      
The results for milk samples in cartons and glass bottles, as expressed on a fat basis were 1.17 pg TEQ/g (range 0.57 - 2.48 pg TEQ/g) and 0.83 pg TEQ/g (range >amp;lt;0.5 - 1.80 pg TEQ/g), respectively.
      
Fifty different samples of urine were lyophilised in units of 5 mL in sealed amber glass bottles.
      
The obtained powder was stabilised by γ-irradiation and filled into brown glass bottles.
      
After the freeze-drying process the residue was rehomogenized, filled into amber glass bottles and stored at -20?°C, +4?°C and +20?°C.
      
The sediment materials were air-dried, sieved, homogenized, packaged in 1000 glass bottles (60?g each), and radiation sterilized.
      
The sediment material was air-dried, sieved, homogenized, and packaged into 1,000 glass bottles (60?g each).
      
The material was re-mixed and packaged into 250 glass bottles (15?g each) and these were stored in a freezer at -30?°C.
      
The lead contents in more than 120 glass bottles or packages of infant foods were determined.
      
The aluminium (Al) concentration in different brands of beers packaged in Al cans and glass bottles was measured at the end of the shelf-life of the beer, by the Zeeman graphite furnace atomic absorption spectrophotometry (ZGFAAS) method.
      
This monovarietal oil is very stable due to its high content of oleic acid and for this reason, the storage of oils for 2 years in amber glass bottles caused only a 30% decrease in phenolic compounds.
      
Mango juices were packaged in polyethylene films, polyethylene tetraphthalate (PET or plastic) bottles and transparent glass bottles and stored at 6?°C, 26?°C and 34?°C.
      
Higher percentage ascorbic acid loss, browning index and titratable acidity occurred in juices packaged in polyethylene film, than in PET and glass bottles.
      
The soil sample, minerals, phenol, and TCE were mixed in glass bottles, which were then incubated under three different phenol-feeding conditions.
      
The high molecular weight (MW) type (CSF-F) of 70,000 d by Sephadex G-100 gel filtration is only found in conditioned medium of homogenized tissue indubated in sealed glass bottles.
      
Explants from 35-day-old seedlings raised in glass bottles produced a higher number of multiple shoots (8.3 shoots/explant) than those grown in glass tubes and cultured on the same shoot induction medium.
      
 

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