Product Notes

During processing operations such as forming, machining, tumbling and lapping, iron particles or other foreign particles may become smeared over or imbedded into the surface of corrosion-resistant steel parts. These particles must be removed or they will appear as rust or stain spots.

High carbon, high chromium martensitic 440C grades which are selected for high hardness and resistance may be exempt from passivation treatments at the discretion of the procuring activity.

CAS NUMBER  7697-37-2

ITEM

:

NITRIC ACID  ( HNO3  )

Molecular Weight

:

63.01

Composition

:

H 1.60 %  NO398.40%

 

 

 

SPECIFICATION OF PRODUCT

 

 

HNO3CONTENT, WT.% MIN

:

62 - 68 %

MINIMUM FREEZING POINT

:

5.3OC

IDENTITY

:

BY IR Spectrum

APPEARANCE

:

CLEAR WHITE FUMING NITRIC ACID

NOTE : IT IS DECOMPOSED BY LIGHT OR ELEVATED TEMP., BECOMING RED IN COLOUR FROM NITROGEN DIOXIDE.

CARBONISABLE SUBSTANCES

:

PASSES THE TEST

COLOUR, MAX

:

10 HU

NON VOLATILE MATTER

:

0.001%

CHLORIDE CONTENT, PPM, MAX

:

0.1 ppm

ORGANIC IMPURITIES

:

Passes test

SULPHUR TOTAL AS SULPHATES, PPM, MAX

:

0.5 ppm

PHASE

:

LIQUID

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