Lithopone B301

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Supply Capability:: 3000 m.t./month

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Lithopone B301/B311

Product Description:
Yuejiang Brand -Lithopone B301/B311 is white powder, non-toxic, odorless, insoluble in water, no reaction with H2S and lye, release H2S gas when reacting with strong acids.

Applications:

Yuejiang Brand-Lithopone B301/B311is widely used in coatings, printing ink, rubber, plastic etc

Basic Information:

Name:	Lithopone
CAS NO.:	1345-05-7

Appearance:	White powder

Technical Specifications:(Standard:Q/SNBJ1-2012)

Item	B301	B311
Total zinc and barium sulphate	≥99.0	≥99.0
zinc sulfide content, %	≥28.0	≥30.0
zinc oxide content, %	≤0.6	≤0.3
Color, compared with standard samples	better	better
Tint reducing power, compared with standard samples	≥100	≥105
105°C volatile matter, %	≤0.3	≤0.3
Water solubles, %	≤0.4	≤0.3
pH-value	6.0-8.0	6.0-8.0
Oil absorption, g/ 100g	≤14	≤12
Hiding power	≥ 5 % of standard sample	≥ 5 % of standard sample

Q: Why do algae contain pigments other than just chlorophyll?: To use other wavelengths to perform photosynthesis.

Q: explain an absorption spectrum of different pigments and the action spectrum ofphotosynthesis.: A pigment is any substance that absorbs light. The color of the pigment comes from the wavelengths of light reflected (in other words, those not absorbed). Chlorophyll, the green pigment common to all photosynthetic cells, absorbs all wavelengths of visible light except green, which it reflects to be detected by our eyes. Black pigments absorb all of the wavelengths that strike them. White pigments/lighter colors reflect all or almost all of the energy striking them. Pigments have their own characteristic absorption spectra. The action spectrum of photosynthesis is the relative effectiveness of different wavelengths of light at generating electrons. If a pigment absorbs light energy, one of three things will occur. Energy is dissipated as heat. The energy may be emitted immediately as a longer wavelength, a phenomenon known as fluorescence. Energy may trigger a chemical reaction, as in photosynthesis. Chlorophyll only triggers a chemical reaction when it is associated with proteins embedded in a membrane (as in a chloroplast) The familiar colors of the rainbow in the spectrum include all those colors that can be produced by visible light of a single wavelength only, the pure spectral or monochromatic colors.

Q: What is the role of pigment in photosynthesis photosynthesis ?: Photosynthesis can't happen without the pigment chlorophyll (which is green and is why leaves and stuff are green). Chlorophyll is found in chloroplasts, an organelle in plant cells. Chlorophyll harnesses the sunlight's energy in order to split water (into hydrogen pairs and oxygen) so it can be used in the photosynthesis process (ie. in order to make glucose, the food source for plants). Hope this helps! :D

Q: what is the pigment in hibiscus?: Hibiscus flowers bear pigments of three types: carotenoids, anthocyanins, and flavonols. The exact pigments (all three of those types are actually sizeable families of similar chemicals) and the exact proportions depend on the color of the particular flower: there are literally several hundred species in the genus Hibiscus, and they come in all shades of red, pink, yellow, and orange. Carotenoids are oil-soluble, fairly stable pigments that come in all shades of red, orange, and yellow. Anthocyanins are water-soluble and significantly less stable: they're responsible for the blues, pinks, purples, and reds, and in high concentrations can produce colors so dark as to look black. Flavonols are the least vivid of the pigments: they produce pale pastel yellows, cream colors, and off-whites. (Plain white flowers usually have no visible pigment at all.) Flavonols actually do most of their color absorption in the UV spectrum: they're the plant equivalent of the melanin in human skin, keeping them from getting sunburnt.

Q: I want to find bright colored eye pigments much like macs. However I dont want to spend tons of money. Does anyone know of a place that sells inexpensive eyeshadow pigments?: There okorder /

Q: (After the fifteenth century): Pigment is color in powder form. An example is lamp black; it was first made from the soot of kerosene lamps ground fine. Binder is a substance used to hold pigment together and make it adhere; in the previous example, linseed oil would be the binder for the lamp black pigment. Vehicle is a medium acting as a solvent, carrier, or binder for paint; turpentine or mineral spirits would be a vehicle but so would linseed oil as well to help dilute the paint and help it cover a large area. Hope that helps and thanx.

Q: I got this question from my A2 Biology but I can't find the answer. Does anybody know?: Photosynthesis in plants is dependent upon capturing light energy in the pigment chlorophyll, and in particular chlorophyll a. This chlorophyll resides mostly in the chloroplasts and gives leaves their green color. The range of light absorption in leaves is extended by some accessory pigments such as the carotenoids, but does not cover the entire visible range - that would make the leaves black! Some plants and plantlike organisms have developed other pigments to compensate for low light or poor use of light. Cyanobacteria and red algae have phycocyanin and allophycocyanin as accessory pigments to absorbe orange light. They also have a red pigment called phycoerythrin that absorbs green light and extends the range of photosynthesis. The red pigment lycopene is found in vegetables. Some red algae are in fact nearly black, so that increases their photosynthetic efficiency. Brown algae have the pigment fucoxanthin in addition to chlorophyll to widen their absorption range. These red and brown algae grow to depths around 270 meters where the light is less than 1% of surface light. Chlorophylla-a is the primary pigment for photosynthesis in plants. Its structure is shown at left. It has the composition C55H72O5N4Mg. It exhibits a grass-green visual color and absorption peaks at 430nm and 662nm. It occurs in all photosynthetic organisms except photosynthetic bacteria. Chlorophyll-b has the composition C55H70O6N4Mg, the difference from chlorophyll-a being the replacement of a methyl group with a CHO. It exhibits a blue-green visual color and absorption peaks at 453nm and 642nm. It occurs in all plants, green algae and some prokaryotes. There is usually about half as much chlorophyll-b as the -a variety in plants.

Q: i want to get mac melon pigment but i dont know what other eyeshadows to pair and blend it with. im looking for an everyday look. also what brushes to use with pigments?: With the Melon pigment, I would recommend using warm, chocolate copper, bronze types of colors. It will provide a nice contrast to the melon while giving your eyes some added depth and definition. As far as brushes go, I like using the 252, large shader brush. This brush picks up pigment nicely and it has nice compressed/dense bristles so you can manipulate and lay the pigment down with greater ease. I like the #286 The dual fiber blending brush for pigments as well. It's made of natural fiber and synthetic fiber. This is a great brush because you really get 2 brushes in 1. With this 'blending' brush you can also use it for targeted color deposits and the synthetic fibers won't suck up what you just laid down and you will get a flawless, beautifully blended eyeshadow application.

Q: what is one reason why plants have accessory pigment molecules like chlorophyll b and carotenoids?: They have different absorption maxima to chlorophyll a and so these accessory pigments make light absorption more efficient by absorbing some wavelengths not absorbed by chlorophyll a and thus provide a greater input of light into the reaction centres.

Q: What are MAC pigments?: MAC pigments are sorta like loose eyeshadow. They are much more pigmented (concentrated color) which means you can use less. They are also made specially to stay and adhere on the skin for longer/better. Can be used dry or wet. Love them!!

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