test paper News
-
ASTM C474 - 12 Standard Test Methods for Joint Treatment Materials for Gypsum Board Construction
These test methods cover the physical testing of joint treatment materials such as joint compound, paper joint tape, glass-mesh joint tape, and an assembly of joint compound and paper joint tape. These materials are used in gypsum board construction. The test methods are detailed for the following: joint compound tests—for viscosity, shrinkage, check cracking, and putrefaction; ...
-
Cheap paper nano-sensor detects water toxins
Scientists have used nanotechnology to turn paper into a sensor that can detect toxins in drinking water. The China–US team dipped normal filter paper into a solution containing carbon nanotubes — which can conduct electricity — and antibodies to microcystin-LR, a common and dangerous toxin. They dried the paper and repeated the process until enough nanotubes were present to render it ...
By SciDev.Net
Need help finding the right suppliers? Try XPRT Sourcing. Let the XPRTs do the work for you