Salicylic acid citrate solution (chromogenic agent)
Reagent
Code: #232957
Alias
Salicylic acid;salic acid, thalic acid, saccharic acid, o-hydroxybenzoic acid, 2-hydroxybenzoic acid
CAS Number
69-72-7
Properties
1EA salicylic acid-citrate solution (color developer) is weighed 3.5 g of salicylic acid (C6H4OHCOOH), add 5.0 mL of sodium hydroxide solution (280g/L). After the salicylic acid is dissolved, add 1.5 mL of sodium nitroferrocyanide solution (10g/L) and 25 mL of sodium citrate solution (400/L) and shake well. Prepare when used temporarily.
science Other reagents with same CAS 69-72-7
blur_circular Chemical Specifications
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Molecular Information
Weight
138.12 g/mol
Formula
C₇H₆O₃
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Registry Numbers
EC Number
200-712-3
MDL Number
MFCD00002439
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Storage & Handling
Storage
2-8°C
description Product Description
Salicylic acid citrate solution (chromogenic agent) is used as a reagent in laboratory settings to detect and quantify iron in water or biological samples. Upon reaction with iron ions (Fe³⁺), it produces a purple-red color whose intensity can be measured using a spectrophotometer, enabling precise iron analysis. It is widely employed in water quality control, environmental research, and clinical diagnostics.
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