Method for detecting content of diosmin sodium sulfonate
A technology of diosmin sodium sulfonate and a detection method, which is applied in the field of chemical analysis, can solve the problems of long analysis time, unfavorable product quality, complicated processing, etc., achieve reliable analysis results, simple and fast processing steps, and improve detection efficiency Effect
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Embodiment 1
[0024] The content detection method of diosmin sodium sulfonate in the present embodiment comprises the following steps:
[0025] The mensuration of total sodium sulfate content comprises the following steps:
[0026] S1-a. Weigh 1.0g sample, accurately weigh it, put it into a 100ml beaker, add 20ml nitric acid for hydrolysis for 15 minutes.
[0027] S1-b. After adding 20ml of 10% barium chloride solution, perform ultrasonic vibration for 5 minutes.
[0028] S1-c. Use the sand core funnel after constant weight to filter, and wash the filter residue in the sand core funnel with 90ml of water three times;
[0029] S1-d. Dry the funnel at 105°C for 1 to 2 hours, and weigh it after cooling;
[0030] S1-e. Calculate the total sodium sulfate content: S1=
[0031] Among them, m1 is the weight of the sand core funnel and the sample after drying in step S1-d; m2 is the weight after the constant weight of the sand core funnel in step S1-c; m3 is the weight of the sample in step S1-...
Embodiment 2
[0041] The content detection method of diosmin sodium sulfonate in the present embodiment comprises the following steps:
[0042] The mensuration of total sodium sulfate content comprises the following steps:
[0043] S1-a. Weigh 2.0g of sample, accurately weigh it, put it into a 100ml beaker, add 30ml of nitric acid to hydrolyze for 20 minutes.
[0044] S1-b. After adding 30ml of 10% barium chloride solution, perform ultrasonic vibration for 10 minutes.
[0045] S1-c. Use the sand core funnel after constant weight to filter, and wash the filter residue in the sand core funnel three times with 180ml of water;
[0046] S1-d. Dry the funnel at 105°C for 1 to 2 hours, and weigh it after cooling;
[0047] S1-e. Calculate the total sodium sulfate content: S1=
[0048] Among them, m1 is the weight of the sand core funnel and the sample after drying in step S1-d; m2 is the weight after the constant weight of the sand core funnel in step S1-c; m3 is the weight of the sample in st...
Embodiment 3
[0058] The content detection method of diosmin sodium sulfonate in the present embodiment comprises the following steps:
[0059] The mensuration of total sodium sulfate content comprises the following steps:
[0060] S1-a. Weigh 1.0gg sample, weigh it accurately, put it into a 100ml beaker, add 25ml of nitric acid to hydrolyze for 18 minutes.
[0061] S1-b. After adding 25ml of 10% barium chloride solution, perform ultrasonic vibration for 8 minutes.
[0062]S1-c. Use the sand core funnel after constant weight to filter, and wash the filter residue in the sand core funnel three times with 120ml of water;
[0063] S1-d. Dry the funnel at 105°C for 1 to 2 hours, and weigh it after cooling;
[0064] S1-e. Calculate the total sodium sulfate content: S1=
[0065] Among them, m1 is the weight of the sand core funnel and the sample after drying in step S1-d; m2 is the weight after the constant weight of the sand core funnel in step S1-c; m3 is the weight of the sample in step S...
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