fish protects the mucous membrane and gills of fish aquamaker has no impact on the ph, kh or gh. furthermore, aquamaker will not overactivate skimmers. use aquamaker is best added to the tap water used for the water change. only use the dose for the volume of this new tap water. thus, aggressive substances...
chimiques qui n'ont pas ete ajoutees intentionnellement aux aliments destines a l'alimentation humaine ou animale. ces substances peuvent se retrouver dans les aliments a la suite des diverses etapes de la production, de la transformation ou du transport. elles peuvent aussi etre le resultat d'une contamination...
he wrote articles or promoted his private collection or assembled lots of flashy minerals. joe did none of these things. but he was ever-present at mineral shows, club meetings and symposiums always getting some new minerals to add to his collection. in his lifetime he assembled a collection of over...
zircon contained a new "earth"--a term early chemists applied to metal oxides--distinct from the already well characterized alumina was martin heinrich klaproth, and he named the new metallic element for its source mineral in . the famous chemist jons jakob berzelius was the first to actually isolate...
lighter impurities can be removed by simply floating them away in a liquid. platinum is paramagnetic , whereas nickel and iron are both ferromagnetic . these two impurities are thus removed by running an electromagnet over the mixture. because platinum has a higher melting point than most other substances...
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parts & service news about us toggle navigation products mineral processing screening niagara f-class t-class l-class l-class um m-class xl-class fine-line washing pelletising screen media niaflow exciter packing valve-bag technology roto-packer® inline integra® miniseal® bag applicators haver radimat...
parts & service news about us toggle navigation products mineral processing screening niagara f-class t-class l-class l-class um m-class xl-class fine-line washing pelletising screen media niaflow exciter packing valve-bag technology roto-packer® inline integra® miniseal® bag applicators haver radimat...
learn about these metrics article views are the counter-compliant sum of full text article downloads since november (both pdf and html) across all institutions and individuals. these metrics are regularly updated to reflect usage leading up to the last few days. citations are the number of other articles...
or mineral oil and shall contain not more than % erucic acid (as % of total fatty acids). therefore, mustard oil adulteration with other edible oils can be determined by estimating the content of erucic acid in the blended oil. there are testing methods that can also determine the ratio of mustard oil...