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Product Specification
Product Name:
Product Number:
CAS Number:
258105
7664-93-9
Formula:
Formula Weight:
H2O4S
98.08 g/mol
TEST
Specification
________________________________________________________________________
Appearance (Clarity)
Appearance (Color)
Clear
Colorless
Appearance (Form)
Free From Suspended Matter or Sediment
Purity (Titration by NAOH)
Residue on Ignition (ppm)
Liquid
Color Test
<
_ 10 APHA
<
_ 0.01 ppm
Arsenic (As)
Chloride (CL)
Iron (Fe)
Mercury (Hg)
Heavy Metal (as Pb)
(as Pb)
Ammonium
95.0 - 98.0 %
<
_ 5 ppm
<
_ 0.2 ppm
<
_ 0.2 ppm
<
_ 5 ppb
<
_ 1 ppm
Nitrate (ppm)
<
_ 2 ppm
<
_ 0.5 ppm
Subs Red Permanganate (ppm)
<
_ 2 ppm
(as SO2)
Meets ACS Requirements
10th Edition
Current ACS Specification
Sigma-Aldrich warrants, that at the time of the quality release or subsequent retest date this product conformed to the information contained in
this publication. The current Specification sheet may be available at Sigma-Aldrich.com. For further inquiries, please contact Technical Service.
Purchaser must determine the suitability of the product for its particular use. See reverse side of invoice or packing slip for additional terms
and conditions of sale.
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