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Gum Arabic Powder BR Grade Reagent

Cas Number:9000-01-5
Formula: NA
Molar Mass:NA
EC Number:232-519-5

Quantity:
  • BR
  • LABOR
  • 300731129

Gum Arabic Powder BR Grade Reagent


Cas Number:9000-01-5

Formula: NA

Molar Mass:NA

EC Number:232-519-5


Physicochemical properties:

Transparent particles or white-yellowish powder. It is completely soluble in 2 times the weight of water and the solubility in 100g saturated solution is: 37g at 25°C, 38g at 50°C, 40g at 90°C, aqueous solution is acidic to litmus, it is soluble in glycerin and propylene glycol and insoluble in ethanol. The relative density is 1.35-1.49 (the dry product is heavier at 100 °C). Irritating


Usage:

Analytical chemistry is used as a protective colloid. Some colorimetric and turbidity analyses are used to prevent settling of the precipitate. Silver is assayed for aluminum, bismuth, arsenic, antimony, magnesium and selenium. Adhesive. Emulsifier.


Packing:

500g/25kg





Item of Analysis

Standard

pH(250g/L,25℃)

4.0~4.8

Acid insoluble matter,%

0.1 max

Loss on drying,%

10.0 max

Residue on ignition(as SO4),%

4.0 max



Not a hazardous substance or mixture.


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