Hach Micro Dist - Sulfide-1 vs. SW-846 Method Comparison

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Sulfide–1
13.4 Comparison of this method and SW–846 Method 9030B, Revision 2
Both methods use a trapping solution which is 0.043 M in zinc
acetate and which contains 1.60% formaldehyde. The stock 37%
formaldehyde solution contains 10–15% methanol.
2.0 mL of this solution is in each Sulfide–1 collector tube.