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Certificate of Analysis of INDIGO CARMINE AR


Product Name: INDIGO CARMINE AR
molecular formula:
Weight:
Art NO:
Batch No: AL2051 - INDI
Manufacturing Date:Aug 2011
Expiry Date: Aug 2016

AL2051

  Mol. Formula     :- C16H8N2Na2O8S2

Mol. Weight      :- 466.36

 

Sr

no.

 

Tests

 

Specifications

 

Results

 

1

 

Description

Purplish black powder having a metallic luster of copper.

Purplish black powder having a metallic luster of copper.

 

2

Absorptivity (A 1%/ 1cm:

@ 610 nm; in 0.1N HCl; on dried substance)

 

Min. 410

 

416.80

3

Loss on drying (105C)

<6.0%

1.20%

4

Suitability for microscopy

Passes test

Passes test