Hot Sale!! refined glycerine 99.7% usp grade
1.Prodution Description of Glycerin 99.5%:
Glycerin known as refined glycerine usp 99.5%, pure glycerol is a colorless, odorless, viscous liquid with a sweet taste. Boiling point of 290 ℃, melting point 17.9 ℃, relative density of 1.2613. Infinitely miscible with water, dried over anhydrous refined glycerine usp 99.5% has a strong water absorption.
Product Name: GlycerinChemical Name: Glycerol Molecular Formula: C3H6O3
Characters: colorless, odorless, transparent, viscous liquid, sweet, moisture absorption, flammability, low n>
2.Specification of Glycerin 99.5%:
Method | Specified Range | Typical values | |
Relative density 20 /20°C2 | ISO 2099 (Part 2) : 1972 | 1.2623 min | 1.2632 |
Refractive index n20D2 | APAG-GL-006 : 1988 | 1.4731 min | 1.4737 |
Glycerine content %1 | APAG-GL-009 : 1988 | 99.5 min | 99.8 |
Colour A1 | ASTM D1209 : 1993 | 10 max | 2.5 |
Fatty acids & esters 1 (ml 0.5N NaOH/50g) | USP XXllI : 1995 | 1.0 max | 0.14 |
Sulted ash %2 | USP XXllI : 1995 | 0.01 max | 0.004 |
Chlorides ppm Cl2 | USP XXllI : 1995 | 10 max | < 10 |
Heavy metals ppm Pb2 | USP XXlIl (Mtd 1) : 1995 | 5 max | < 5 |
Chlorinated compounds ppm Cl2 | USP XXllI : 1995 | 30 max | < 30 |
Arsenic ppm2 | USP XXllI : 1995 | 1.5 max | < 1.5 |
Sulte ppm2 | USP XXllI : 1995 | 20 max | < 20 |
3.Application of Glycerin 99.5%:
Usage:is useful in a variety of applications, glycerol is used as a solvent, plasticizer and humectant. In polyacrylamide gel electroresis, glycerol is used in sample preparation and gel formation. At a concentration of 5-10%, glycerol is used to increase the density of a sample so that it will layer at the bottom of a sample well. Additional uses include as an aid in casting gradient gels, a protein stabilizer and storage buffer component.
4.Package and shipment:
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