Heat resistant and light weight container for materials to be as

Details Heat resistant and light weight container for materials to be as Heat resistant and light weight container for materials to be as

1989-01-18

1991-11-19

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

264 26, 422 78, 436155, H05B 680, G01N 3112

Patent

active

050668439

ABSTRACT:
A container for an ashable material, to be ashed by heat in an ashing furnace, especially one heated by microwave radiation onto microwave absorptive elements thereof, comprises a heat resistant, walled container which is light weight, microwave transmissive and porous, and which is of quartz microfibers that are held in desired walled container form, preferably in substantially flat cylindrical form. Such a container is made by shaping a heat resistant, light weight, microwave transmissive and porous non-woven sheet of quartz microfibers to container form and heating and curing such sheet in such form, preferably after moistening it with water, whereby a form-retaining container results that can be successfully employed to hold ashable analytic samples during ashings thereof.

REFERENCES:
patent: 3731037 (1973-05-01), Levinson
patent: 3773669 (1973-11-01), Yamauchi et al.
patent: 4003368 (1977-01-01), Maxel
patent: 4495775 (1985-01-01), Young et al.
patent: 4565669 (1986-01-01), Collins et al.

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