Lithopone B301

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3000 m.t./month

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Product Description:

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



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Q:What are the ingredients in MAC's pigments? (10pts)?
Mac Pigment Ingredients
Q:what is the role of photosynthetic pigments in plants?
photosynthetic pigment or antenna pigment is a pigment that is present in chloroplasts or photosynthetic bacteria and captures the light energy necessary for photosynthesis. Green plants have five closely-related photosynthetic pigments (in order of increasing polarity): Carotene - an orange pigment Xanthophyll - a yellow pigment Chlorophyll a - a blue-green pigment Chlorophyll b - a yellow-green pigment Phaeophytin a[1] - a gray-brown pigment Phaeophytin b[1] - a yellow-brown pigment Chlorophyll a is the most common of the six, present in every plant that performs photosynthesis. The reason that there are so many pigments is that each absorbs light more efficiently in a different part of the spectrum. Chlorophyll a absorbs well at a wavelength of about 400-450 nm and at 650-700 nm; chlorophyll b at 450-500 nm and at 600-650 nm. Xanthophyll absorbs well at 400-530 nm. However, none of the pigments absorbs well in the green-yellow region, which is responsible for the abundant green we see in nature.
Q:Can someone describe the role of accessory pigments in photosynthesis?
Accessory Pigments In Plants
Q:why light and pigments are different?
A pigment is a material that changes the color of reflected or transmitted light as the result of wavelength-selective absorption. This physical process differs from fluorescence, phosphorescence, and other forms of luminescence, in which a material emits light. Many materials selectively absorb certain wavelengths of light. Materials that humans have chosen and developed for use as pigments usually have special properties that make them ideal for coloring other materials. A pigment must have a high tinting strength relative to the materials it colors. It must be stable in solid form at ambient temperatures. For industrial applications, as well as in the arts, permanence and stability are desirable properties. Pigments that are not permanent are called fugitive. Fugitive pigments fade over time, or with exposure to light, while some eventually blacken. Pigments are used for coloring paint, ink, plastic, fabric, cosmetics, food and other materials. Most pigments used in manufacturing and the visual arts are dry colourants, usually ground into a fine powder. This powder is added to a vehicle (or binder), a relatively neutral or colorless material that suspends the pigment and gives the paint its adhesion.
Q:Why do algae contain pigments other than just chlorophyll?
they stay underwater...the water swollows easy in a definite sequence, so the deeper they stay the greater distinctive is the easy and that they elect different pigments than landplants.
Q:Mac Eyeshadow vs. Mac Pigment... which is a better investment...???
MAC pigments. The color is just so rich and it lasts really long.
Q:what is pigment color powder?
itz for ur beautifing ur skin.
Q:what pigment are? give two example?
pigments found in plants, vegetables and fruits, make them look colorful. pigments found in animal skins, givie us colorful animal skins with variety of shades. Plant pigment Chlorophyll makes plant leaves look green. Plant pigment Carotenoid makes fruits and vegetables look orange, yellow, red. Plant pigment Phycobilin makes plants look bluish green or red.
Q:How many pigments does grass reflect?
Pigments are the colors that make grass look green. They are the pigments that do photosynthesis. Grass looks green because it reflects green light. It reflects the wavelengths of light that have the frequency of green light. Grass has other pigments that we do not see through the chlorophyll, but it is the light that is reflected.
Q:What is a pigment and their function in photosynthesis?
a pigment is any substance that absorbs light. 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 absorption pattern of a given pigment. a photosynthetic pigment or chloroplast pigment is a pigment that is present in chloroplasts or photosynthetic bacteria. its function is to capture the light energy necessary for photosynthesis. :)

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