the obligations pursuant to the german electrical and electronic equipment act (elektrogesetz – elektrog) and would like to draw your attention to the following: waste electrical and electronic devices must not be treated as normal household waste. they contain valuable raw materials that are harmful...
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rosin rice paper (edible) duck feather salted jellyfish news agricultural news seafood hx news exports news harvests documents support news jackfruit update: / / jackfruit jackfruit is a unique tropical fruit that is typically harvested during summer and fall. the fruit can grow to enormous sizes with...
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disulfide is added to form cellulose xanthate. the crumbs are dissolved in sodium hydroxide to obtain a viscous solution called "viscose". after ripening, filtering and degassing the viscose solution is pumped under pressure through metal spinnerets submerged in a spin bath. the bath contains sulfuric acid...
- - main applications : this product has a fruit acid taste , maninly used as a raw material for polyester resins and alkyd resins , manufacturing synthetic resin posses ... >>> snowhite chemical co., ltd. ptfe - - ;tetrafluoroethylene oligomer;tetrafluoroethylene resin;teflon;teflon a;teflon(tm) b;...
oats are a cereal grain with high soluble fiber content. they are a source of food for both humans and animals and an ingredient in the production of cosmetics. oats have been growing wild in west africa since around b.c. the first wheat and barley farmers viewed the plant as a weed and a nuisance. around...
- solid sample is not measured directly. dissolution is necessary withacid, high temperature or shaking. - suspended solids is cause of choke. please eliminate them with filtering or acid digestion. - organic solvent is not measured because of lack of electrical conductivity normally. only organic solvent...