Calcium Citrate, E333,CAS no.5785-44-4, is the calcium salt of citric acid, available as Fine white powder. Calcium Citrate along with citric acid, Sodium Citrate, Magnesium Citrate, Potassium Citrate is widely used as food acidity regulator. Calcium Citrate is also used as preservative in food.
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Calcium Citrate Specification
ITEM STANDARD
Appearance Colorless or white crystal
Content,% 97.5-100.5
Arsenic % 0.0003
Fluorine % 0.003
Heavy metals(As Pb) % 0.002
Lead % 0.001
Loss on drying,% 10.0-13.3
Acid-insoluble substance% 0.2
Alkalinity According with the test
Easy carbony substance According with the test
Identification A Meet the erquirement
Identification B Meet the erquirement
Mercury PPM 1
Yeast 10/g
Mold 10/g
E.Coli Absendt in 30g
Salmonella Absendt in 25g
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Sodium Alkyl Hydroximic Acid is an excellent collector for various metal oxides and partiallyoxidized sulfide ores. lt has excellent collective result for various metal oxide ores, such ascopper oxide ores, hematite, yttrium ores, wolframite, scheelite, titanic iron, niobium orestinstone and rare earth ores etc.
Sodium Alkyl Hydroximic Acid is an excellent collector for various metal oxides and partiallyoxidized sulfide ores. lt has excellent collective result for various metal oxide ores, such ascopper oxide ores, hematite, yttrium ores, wolframite, scheelite, titanic iron, niobium orestinstone and rare earth ores etc.
Appearance: Dark-red liquid
Solubilit: Soluble in water
Stability: Stable under ordinary conditions
Specification:
Sodium Alkyl Hydroximic Acid,% 26.0 min
Free Sodium Fatty Acid,% 10.0 max
PH : 10-13
Application
Sodium Alkyl Hydroximic Acid is an excellent collector for various metal oxides and partiallyoxidized sulfide ores. lt has excellent collective result for various metal oxide ores, such ascopper oxide ores, hematite, yttrium ores, wolframite, scheelite, titanic iron, niobium ores.instone and rare earth ores etc.
Packing and StoragePacking:170kg/steel drum; 180kg/plastic drumStorage: To be protected from water, torid sunlight and fire, no lain down, no upside down.Shelf life: 10 months
Sodium Bifluoride also known as Sodium Hydrogen Difluoride Is mainly used as a precursor to sodium fluoride, millions of tons of which are produced annually. It is used to manufacture tin plates, as a neutralizer in laundry to preserve anatomical/zoological samples, and for glass etching. It is also used in antiseptics, leather bleaches, and cleaners (for stone, brick, ceramics, and masonry). It is also utilized in the synthesis of fluoride glasses at RT.
Specification
Assay: 98.00 % Min.
Appearance: White free flowing powder
Solubility: Highly soluble in water
Melting Point: Starts to decompose into NaF and HF above 140C
Hydrogen Fluoride (HF): 32.00 % Min.
Fluorine (F): 59.65 % Min.
Sodium (Na): 37.20 % Min.
Moisture (@ 100C): 0.80 % Max.
Iron(III) Oxide (Fe2O3): 0.02 % Max.
Silica (SiO2): 0.10 % Max.
Water Insoluble: 0.20 % Max.
pH (1% Solution): Acidic
2, 6-dichloro-4-trifluoromethyl aniline is an important intermediate in pesticide synthesis, mainly used for the synthesis of fluorine-containing organic pesticides such as flufenitrile. The method is as follows: In a 3L reactor, 200g of p-trifluoromethyl aniline and 480g of dichloroethane were added. The temperature was controlled to 10â??. Within 3 hours, a mixed solution of 503Chemicalbookg sulfonyl chloride and 190g of dichloroethane was added dropby-drop under stirring. After the addition was completed, the reaction was continued at 50â?? for 2 hours. After the reaction was completed, the temperature was lowered, water was washed with water, and then washed with saturated sodium carbonate water solution. After removing the inorganic salts and concentrating the organic phase to remove the solvent, 144g of 2, 6-dichloro-4-trifluoromethylaniline was obtained through distillation.