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The methylene blue value is defined as the number of milliliter's standard methylene value solution decolorized 0.1 g of activated carbon (dry basis). [65] Methylene blue value reflects the amount of clay minerals in aggregate samples. [ 66 ]
The aqueous solution in the classical reaction contains glucose, sodium hydroxide and methylene blue. [14] In the first step an acyloin of glucose is formed. The next step is a redox reaction of the acyloin with methylene blue in which the glucose is oxidized to diketone in alkaline solution [6] and methylene blue is reduced to colorless leucomethylene blue.
Teaspoon: tsp: 1 tsp: 80: 4.929 60: 3.697 1 tsp = 2 csp Fluid Dram fl dr, fʒ 3 ⁄ 4 tsp / 1 tsp: 60: 3.697 60: 3.697 = 1 ⁄ 8 fl oz Coffeespoon csp 1 ⁄ 2 tsp 40 2.464 30 1.848 1 csp = 2 ssp Fluid Scruple f℈ 1 ⁄ 4 tsp 20: 1.232 20: 1.232 = 1 ⁄ 24 fl oz Saltspoon ssp 1 ⁄ 4 tsp 20 1.232 15 0.9242 1 ssp = 2 ds Dash ds 1 ⁄ 8 tsp 10 0. ...
Methyl blue is a chemical compound with the molecular formula C 37 H 27 N 3 Na 2 O 9 S 3.It is used as a stain in histology, [1] and stains collagen blue in tissue sections. It can be used in some differential staining techniques such as Mallory's connective tissue stain and Gömöri trichrome stain, and can be used to mediate electron transfer in microbial fuel cells.
1 ⁄ 128 tsp [29] 1 ⁄ 1024: 2 hints = 1 drop drop: dr., gt., gtt. 1 ⁄ 8 to 1 1 ⁄ 2 minim or 5 centigrams [10] 1 ⁄ 64 tsp [30] 1 ⁄ 512: 2 drops = 1 smidgen smidgen smdg., [25]: 12 smi. 1 ⁄ 32 tsp 1 ⁄ 256: 2 smidgens = 1 pinch pinch: pn. 1 ⁄ 8 tsp 1 ⁄ 16 tsp 1 ⁄ 128: 2 pinches = 1 dash dash ds. 1 ⁄ 8 tsp 1 ⁄ 64: 2 dashes ...
New methylene blue (also NMB) [clarify] is an organic compound of the thiazine class of heterocycles. It is used as a stain and as an antimicrobial agent. It is classified as an azine dye, and the chromophore is a cation, the anion is often unspecified.
This is equal to about 61.6 μL (U.S.) or 59.2 μL (Britain). Pharmacists have since moved to metric measurements, with a drop being rounded to exactly 0.05 mL (50 μL, that is, 20 drops per milliliter). In hospitals, intravenous tubing is used to deliver medication in drops of various sizes ranging from 10 drops/mL to 60 drops/mL.
A drop or droplet is a small column of liquid, bounded completely or almost completely by free surfaces. A drop may form when liquid accumulates at the end of a tube or other surface boundary, producing a hanging drop called a pendant drop. Drops may also be formed by the condensation of a vapor or by atomization of a larger mass of solid ...