Reagent for rapid detection of formaldehyde in food and preparation method thereof
A detection reagent and technology for formaldehyde, which is applied to the field of rapid detection of formaldehyde in food and its preparation field, can solve problems such as damage, and achieve the effects of fast reaction speed, good stability and high accuracy.
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Embodiment 1
[0017] A rapid detection reagent for formaldehyde in food, comprising the following raw materials in parts by weight: 10 parts of sodium periodate, 1 part of calcium hydroxide, 8 parts of petroleum ether, 3 parts of methyl dihydrojasmonate, 4 parts of sodium silicate 2 parts of tea polyphenols, 0.1 part of p-sulfonamide benzoic acid, 1 part of ferrous nitrate, 2 parts of succinic acid, 0.1 part of sodium stearate, 3 parts of disodium edetate, 1 part of zinc sulfite , 0.2 parts of sodium acetate, 1 part of acetylacetone, 10 parts of absolute ethanol, and 25 parts of water.
[0018] A preparation method of a rapid detection reagent for formaldehyde in food, comprising the following steps: (1) sodium periodate, petroleum ether, methyl dihydrojasmonate, p-sulfonamide benzoic acid, ferrous nitrate, succinic acid , sodium stearate, acetylacetone and absolute ethanol were mixed, and stirred evenly to obtain mixture A; the stirring speed was 200r / min; (2) Tea polyphenols, calcium hydr...
Embodiment 2
[0020] A rapid detection reagent for formaldehyde in food, comprising the following raw materials in parts by weight: 15 parts of sodium periodate, 2 parts of calcium hydroxide, 12 parts of petroleum ether, 8 parts of methyl dihydrojasmonate, and 8 parts of sodium silicate 7 parts of tea polyphenols, 1 part of p-sulfonamide benzoic acid, 3 parts of ferrous nitrate, 5 parts of succinic acid, 1 part of sodium stearate, 8 parts of disodium edetate, 3 parts of zinc sulfite , 2 parts of sodium acetate, 5 parts of acetylacetone, 20 parts of absolute ethanol, and 70 parts of water.
[0021] A preparation method of a rapid detection reagent for formaldehyde in food, comprising the following steps: (1) sodium periodate, petroleum ether, methyl dihydrojasmonate, p-sulfonamide benzoic acid, ferrous nitrate, succinic acid , sodium stearate, acetylacetone and absolute ethanol were mixed, and stirred evenly to obtain mixture A; the stirring speed was 400r / min; (2) Tea polyphenols, calcium h...
Embodiment 3
[0023] A rapid detection reagent for formaldehyde in food, comprising the following raw materials in parts by weight: 12 parts of sodium periodate, 1.5 parts of calcium hydroxide, 10 parts of petroleum ether, 5 parts of methyl dihydrojasmonate, and 6 parts of sodium silicate 5 parts of tea polyphenols, 0.5 parts of p-sulfonamide benzoic acid, 2 parts of ferrous nitrate, 4 parts of succinic acid, 0.6 parts of sodium stearate, 5 parts of disodium edetate, 2 parts of zinc sulfite , 1 part of sodium acetate, 3 parts of acetylacetone, 15 parts of absolute ethanol, and 56 parts of water.
[0024] A preparation method of a rapid detection reagent for formaldehyde in food, comprising the following steps: (1) sodium periodate, petroleum ether, methyl dihydrojasmonate, p-sulfonamide benzoic acid, ferrous nitrate, succinic acid , sodium stearate, acetylacetone and absolute ethanol were mixed, and stirred evenly to obtain mixture A; the stirring speed was 300r / min; (2) tea polyphenols, ca...
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