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|  MIL-C-45010A
AMENDMENT 6
Add the following new paragraph:
"4.3.2.3 Dye composition. The percent dye composition
shall be certified by the contractor that the percent dye
composition has been mixed with composition in compliance
with paragraph 3.3."
Add the following new paragraph:
"4.3.2.4 DMDNB Content. One sample shall be taken from
each of tagged product blend. Combine one half of the
sample from each of the tagged product blend and use to
determine the DMDNB content of the overall composition C4
batch. This composite sample will be divided into four
discrete increments, and each increment shall be analyzed to
determine the DMDNB content in accordance with HDC
Analytical Standard Method No. I-227 or an approved
equivalent method. The results from the four DMDNB analyses
shall be reported as the final DMDNB concentration and for
acceptance of the composition C4 batch. If one or more of
the four samples fails the DMDNB requirement, analyze the
remaining sample from each blend in duplicate for the
acceptance of each blend in the composition C4 batch."
4.3.3
Delete entirely and substitute as follows:
"4.3.3 Determination of insoluble particles. A weighed
portion of approximately 50 gms. of the sample shall be
placed in a 600 ml. beaker. A 400 ml. aliquot of petroleum
ether or naphtha shall be added and the sample heated on
steam bath until all lumps are broken down and all soluble
material is dissolved. The solution shall be decanted
through a small Number 40 US Standard sieve placed on a
Number 60 US Standard sieve. The insoluble material
shall be retained in the beaker. Acetone shall be added to
the beaker and the beaker and contents warmed on a steam
bath to dissolve the insoluble matter. This mixture shall
be poured through the nest of sieves making sure all
insoluble matter is transferred to the sieves. Any residue
left on the sieve shall be washed with acetone. The sieves
shall be dried on a closed steam bath, and the particles of
residue counted."
7
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