The conductivity of this product was measured using a conductivity meter. Please note that the specific method and procedural details are proprietary. The lot-specific conductivity value is available on the Certificate of Analysis, which can be accessed through our website.
https://www.sigmaaldrich.com/US/en/product/sigma/sae0074#product-documentation
SAE0074
Sigmatrix Urine Diluent
Synonym(s):
Urine Diluent
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biological source
synthetic
Quality Level
description
synthetic negative urine control
form
liquid
shipped in
wet ice
storage temp.
2-8°C
General description
For more information on other Sigmatrix products visit the Sigmatrix Selection Guide.
Sigmatrix Urine Diluent is a non-biological diluent that mimics human urine.This product can be used as a diluent for sample prep, controls and calibrators and is recommended for LC-MS based applications. Sigmatrix Urine Diluent has been successfully used in enzymatic hydrolysis of drug glucuronides and LC-MS analysis of drugs and drug metabolites. The formulation is dye-free.
Preparation Note
Sigmatrix Urine Diluent should be stored at 2–8 C.
Other Notes
Buffered solution containing calcium chloride, magnesium chloride, potassium chloride, sodium chloride, sodium phosphate, sodium sulfate, urea, and creatinine with sodium azide as a preservative.
Disclaimer
Normal precautions exercised in handling laboratory reagents should be followed. Dispose of waste observing all local, state, provincial, or national regulations. Refer to Safety Data Sheet and product labeling for any updated risk, hazard, or safety information
Storage Class Code
12 - Non Combustible Liquids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Articles
Validate urine sample cleanup with HLB SPE for opioid analysis via LC-MS/MS using the Supel™ Swift HLB 96-well plate.
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Could you provide a measure of the conductivity of the product?
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Does this synthetic urine contain any glucose? If yes, how's the concentration? Also, how long is the lifetime of the products after it opened?
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As described above, this product is a buffered solution containing calcium chloride, magnesium chloride, potassium chloride, sodium chloride, sodium phosphate, sodium sulfate, urea, and creatinine, with sodium azide as a preservative. As supplied, it is not assigned Retest, Expiration, or Use-by-Date. Only our standard warranty of 1 year from the date of shipment of products is applicable. The product should be handled per defined conditions as printed in our product literature and website product descriptions, and routinely inspected by the end-user to ensure it performs as expected.
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What is the specific gravity of this product?
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The specific gravity or density of this product has not been tested.
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What is the pH of this artificial urine?
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The pH of the Urine Diluent is available on the Certificate of Analysis in the Documentation section of the product page: https://www.sigmaaldrich.com/product/sigma/sae0074#product-documentation.
The current specification for pH is 6.5 - 7.2
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Ce produit contient-il du Lithium ?
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No, this product does not contain lithium.
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Can you comment on the amount of urea in the product?
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The concentration of the urea and other components in this formulation are considered proprietary.
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Please, Could you tell me what the density and viscosity of the urine are?
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The density and viscosity of the synthetic urine diluent are not assessed.
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Please what is the composition of urine diluent
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The formulation of this product is considered proprietary. However, the constituents include calcium chloride, magnesium chloride, potassium chloride, sodium chloride, sodium phosphate, sodium sulfate, urea, and creatinine, with sodium azide serving as a preservative.
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Is this urine diluent BPA and Phthalate free?
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The exact composition of this product is considered proprietary. However, the list of components are as follows: calcium chloride, magnesium chloride, potassium chloride, sodium chloride, sodium phosphate, sodium sulfate, urea, creatinine and sodium azide as a preservative.
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What's the concentration of sodium azide in this product? I'm concerned about enzymatic activity!
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The formulation of this product is proprietary, however the sodium azide concentration is less than 0.025%.
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