USD $100.00-150.00 / Metric Ton
we have been specializing in chemical indicators and dye chemicals for over 30years.
superiority :
1.iso certificate
2..powerful r & d team
3.the ability of quantized production,from grams to tons;
4.various kinds of advanced equipment in the laboratory and plant;
5.strict qc standard to meet the demand of customers,advanced equipment for analysis and a ssay;
6.efficient and safe logistic plans for chemical products transportation;
7.excellent after-sale service.
8. highest quality and good package
items |
technical index |
product name |
fluorescein |
synonym |
2-(6-hydroxy-3-oxo-3h-xanthen-9-yl)-benzoicacid |
appearance |
orange-red crystalline powder |
maximum absorption wave-length λ(ph8.0) |
490-493 nm |
mass-absorption coefficient λ(ph8.0)l/cm·g |
200 min |
ethanol soluble test |
qualified |
sensitive test |
qualified |
loss on drying |
5.0%max |
residue on ignition(as sulfate) |
0.3%max |
package: ——25kg/ fiber drum
application: ——used as chemical indicator.
items |
technical index |
product name |
fluorescein |
synonym |
2-(6-hydroxy-3-oxo-3h-xanthen-9-yl)-benzoicacid |
appearance |
orange-red crystalline powder |
maximum absorption wave-length λ(ph8.0) |
490-493 nm |
mass-absorption coefficient λ(ph8.0)l/cm·g |
200 min |
ethanol soluble test |
qualified |
sensitive test |
qualified |
loss on drying |
5.0%max |
residue on ignition(as sulfate) |
0.3%max |
package: ——25kg/ fiber drum
application: ——used as chemical indicator.