Search results
Results from the WOW.Com Content Network
A Babcock test bottle brush is a specialised test tube brush designed for cleaning bottle neck flasks. It has an extra long radial bristle tip that is flexible enough to enter the narrow neck of various laboratory glassware, and fan out at the bottom of the chamber for efficient cleaning.
Determination of iron by a colorimetric method Determination of iron by a colorimetric method, top view. Nessler cylinders (also named color comparison cylinders or color comparing cylinders) are laboratory tubes with a fixed volume, made of glass with optically plane bottom.
Dragendorff's reagent is prepared by mixing a concentrated solution of potassium iodide with a solution of bismuth subnitrate in a diluted acid (acetic acid or tartaric acid, hydrochloric acid or sulfuric acid is rarely being used) as a low pH is mandatory for this reagent.
Diagram of a Durham Tube. Durham tubes are used in microbiology to detect production of gas by microorganisms.They are simply smaller test tubes inserted upside down in another test tube so they are freely movable.
Drawing of a Thiele tube with red arrows showing convection current A photograph of a Thiele tube. The oil level is a little low now to compensate for expansion when heating commences.
Louis Pasteur's spontaneous generation experiment illustrates that liquid nutrients are spoiled by particles in the air rather than the air itself. These results of these experiments supported the germ theory of disease.
P. polymyxa might have possible future applications as a soil inoculant in agriculture and horticulture. [4] [5] Biofilms of P. polymyxa growing on plant roots have been shown to produce exopolysaccharides which protect the plants from pathogens.
Lembaga Tabung Haji (Jawi: تابوڠ حاج ; Arabic صندوق الحج ) also known as Tabung Haji or TH is the Malaysian hajj pilgrims fund board. [1] It was formerly known as Lembaga Urusan dan Tabung Haji (LUTH). The main headquarters is located at Tabung Haji Tower, Jalan Tun Razak, Kuala Lumpur.