Total Sulfite Assay Kit (K-TSULPH)

What concentration of acetaldehyde in the sample causes interference in the Total Sulfite Assay Kit (K-TSULPH & K-SULPH)?
Interference by acetaldehyde is observed when the acetaldehyde concentration is higher than approximately 250 mg/L in the 0.05 mL sample using the TSO2 Ma...
Mon, 18 Apr, 2016 at 3:31 PM
How stable are the sulfite standards and samples used in the Total and Free Sulfite Assay Kit (K-TSULPH & K-SULPH)?
When the samples are prepared and are stored at the appropriate pH (~ pH 8 for total sulphite and ~ pH 4 for free sulphite) they will be expected to lose ~ ...
Fri, 11 May, 2018 at 8:41 AM
When using the Total and Free Sulfite Assay Kit (K-TSULPH & K-SULPH) for quantitative analysis what level of accuracy and repeatability can be expected?
The Total and Free Sulfite Assay Kit  is extremely accurate – at Megazyme the quality control criteria for accuracy and repeatability is to be within 5% of ...
Fri, 11 May, 2018 at 8:41 AM
Can Total Sulfite Assay Kit (K-TSULPH & K-SULPH) be used to measure sulfite in food samples?
Yes. K-TSULPH can be used to measure total sulphite and free sulphite in food samples using the standard sample preparation procedures given below. Sample ...
Fri, 11 May, 2018 at 8:41 AM
What is the range of the Total Sulfite Assay Kit (K-TSULPH & K-SULPH)?
The Total Sulphite assay is linear over the range of 0.25 to 20 µg of TSO2 per assay.  When prepared as per kit booklet, the 300 mg/L standard is equivalent...
Fri, 11 May, 2018 at 8:42 AM
What is the detection limit of the Total Sulfite Assay Kit (K-TSULPH & K-SULPH)?
The Total Sulphite detection limit is ~ 5.28 mg/L, which is derived from an absorbance difference of 0.020 with a sample volume of 0.05 mL. Product Page...
Fri, 11 May, 2018 at 8:42 AM
What is the reaction principle of the total sulfite reaction used in the Total Sulfite Assay Kit (K-TSULPH)?
The total sulfite assay is based on the reaction principle between thiol groups and Ellman’s reagent. Product Page (K-TSULPH)
Wed, 16 Nov, 2016 at 10:33 AM
What is the calculation of the conversion factor used for preparation of sulphite (sulfite) standards in the sulphite kits (K-SULPH, K-TSULPH, K-ETSULPH, K-FSULPH)?
The standard supplied with the sulphite kits is sodium sulphite (126.043 g/mol) and the results of the kit assays are given as mg/L of sulphur dioxide (64.0...
Thu, 10 May, 2018 at 3:28 PM