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Mackinaw cloth is a heavy and dense water-repellent woolen cloth, similar to Melton cloth but using a tartan pattern, often "buffalo plaid". It was used to make a short coat of the same name, sometimes with a doubled shoulder.
[3] [4] In this application, Rh–Pt oxide is superior to other group 10 catalysts such as platinum dioxide. Furthermore, the catalyst can be used to carry out the reaction with minimal losses of oxygen containing functional groups via hydrogenolysis .
The mackinaw jacket, also known as a mackinaw coat, [1] is a short double-breasted coat made of a thick heavy woollen material, generally with a red-and-black plaid pattern. [ 2 ] Etymology
Category name [1] Symbol Description Crochet gauge (single crochet to four inch) [2] [1] Metric hook size [1] US hook size [1] Knitting gauge (number of stitches per four inches) [1] Metric knitting needle size [1] US knitting needle size Lace fingering, crochet 10-count thread 33 - 40 sts 1.5 - 2.25 mm B-1 33 - 40 sts 1.5mm - 2.25mm Super fine
Adams' catalyst, also known as platinum dioxide, is usually represented as platinum(IV) oxide hydrate, PtO 2 •H 2 O. It is a catalyst for hydrogenation and hydrogenolysis in organic synthesis. [1] This dark brown powder is commercially available.
Platinum is a chemical element; it has symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name originates from Spanish platina, a diminutive of plata "silver". [7] [8] Platinum is a member of the platinum group of elements and group 10 of the periodic table of ...
The monolith is a substrate that supports a catalyst. After the monolith is complete, a washcoat is applied that deposits oxides and catalyst(s) (most commonly platinum, palladium, and/or rhodium) on the walls of the holes. Alternative structures include corrugated metal and a packed bed of coated pellets or other shapes.
The Ostwald process begins with burning ammonia.Ammonia burns in oxygen at temperature about 900 °C (1,650 °F) and pressure up to 8 standard atmospheres (810 kPa) [4] in the presence of a catalyst such as platinum gauze, alloyed with 10% rhodium to increase its strength and nitric oxide yield, platinum metal on fused silica wool, copper or nickel to form nitric oxide (nitrogen(II) oxide) and ...