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Lac Dye

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　Lac dye is extracted from Laccifer lacca by weak alkali solution and refining.

Main composition:Laccaic acid A(85%) and Laccaic acid B, C, D, E ,etc.
Properties:Red or red-purple powder. In aqueous solution its color vary with its PH. When PH is 3-5, it is orange-red, PH is 5-7 red to red-purple color. When PH is more than 7, it is red-purple. The resistance to light and heat is good in acid medium. Powder dissolves in water(0.1%), in alcohol and propanediol, pass through 80-mesh-screen.
Quality standard:

Lac Dye

ITEMS
INDICES
INDICES(GB5176-85)
Appearance
Purple-red powder
Purple-red powder
Color Value 　　　　　　E10%1cm 490nm
 
1300-1470
1240
Drying Weightlessness 　　　　　　 ≤
 
10%max
10% max
Ash　　　　　　　　　　　　　　　　≤
 
0.8%max
0.8% max
Heavy Metal　　　　　　　　　　 ppm≤
10ppm max
10ppm max
Lead　　　　　　　　　　　　　　ppm≤
 
5ppm max
5ppm max
Arsenic　　　　　　　　　　　　 ppm≤
2ppm max
2ppm max
Microbiologic Quality Conforms to Standards of Food Additives
Technological Process:
Raw Material → weak alkali solution Extracting →Purification → Powder
Usages: Applicable to food and beverages.
Storage: Prevent contact with air, light and heat, and store in cool condition.


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Scan Comments

NO.1 From: Martek  Mr.Anthony / Vice-President  E-mail: **********  
Baff Global Co., Ltd. is the perfect choice for raw material supplier. It frees you from worry about Product's quality, and its price is very reasonable, what' s more, they are free shipping all over the world.

NO.2 From: GNC  Mr.Ryan / Manufacturer's Representative  E-mail: **********  
Baff Global Co., Ltd. is a member of Herbal Material Association, which means it take great responsibility to ensure and enhancing good quality health supplement products. It is a GMP (good manufacturing practice) compliant company.

NO.3 From: USANA  Mr.Alexander / Vice-President  E-mail: **********  
We find that the product ingredient information is very comprehensive. Desides stating the source of the ingredients,Baff Global Co., Ltd. goes to the great length to provide the information and clinical studies of each ingredient used. This is a hallmark of high quality product and services of an excellent herbal raw material online store.

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