Methods I, 11 nnd 1V linvu nlrcndy hecn described. Mathod I1 is aa follows : 1 grin. of coirl is hcntcd in n weighing bottla at 100" C. in t i n nir ovcn for hnlf nn hour, cooled in n tlesiccntor nnd woighcd, hcztting is repented for 10 miiiuto periods until t i consttint wciglit is obtciincd, or un
The determination of moisture in organic substances
β Scribed by Campbell, F. R.
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1913
- Weight
- 492 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0368-4075
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β¦ Synopsis
tciir~rcriitrire iti 1 . 1 1 ~ ~vliolu of tlie interio~~cif 1111 oven is o~ily to be obtniiicd wliuii tliu licntctl tills litrvc tin tireti rcry lnrgc rcliitivu to t,hc ci~biciil ccintcnts of tho interior tint1 nrc tliarnsclrcs t i t n i~niforiii tcni~urtitiirc. A ~irc-licntc~l siqiply IJf iiir is t o I J ~ tlcsirccl. alcrc lieciting without t i pro1wr tiir ciirrciit is i~~irclinlilc.
:1. \'liencvcr it in siispcctcd t h t t i COOl is s ~i ~r i n l l y linlilc to ositlntion or the ? , lioirr niid 1 1111ur resii1t.u tlilicr iiinteriiilly drying nt 10to-I I 1" in ii cirrrcnt of nitropn or ctirlioii tliositlc is to be preferred t o drying i n tin ovcii through wliicli t i ciirreiit of tiir is piissing. Ifitlicr t l ~c direct or indirect iiictliotl o f cstiiiinting water niny I)c 11sc11. l f t h former is chosen, cirri! illitst. be tnken to Iirovc the dryness of tlic streitin of gtis wliicli 1s ~i:issctl over the cod. Tlic pcrcccittigo of free oxygen in this gns niiist bc ii~pprecinlilc. This nic!tlintl Of drying in n ci~rrrrit of inert gris is to bo 1irefcrrc.d for nll very cxnct work. 8 4 .
Drying to coiistniit or ~niiriniiiin weight iii n rnciiIiiii in t Iic ~ircmncc of siilpliiiric ncitl (or other rlesiccniit) ~iosyc'sscs no iitlrtintiigc ovcr tlic lad, nicntioncd riicth~tl.
π SIMILAR VOLUMES
The production of organic acids and volatile #avor components was measured during ke"r starter culture fermentation. Samples were collected at 0, 5, 10, 15, and 22 h of fermentation ("nal pH"4.6). Samples were analyzed for orotic, citric, pyruvic, uric, lactic, acetic, butyric, propionic and hippuri