Assay

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Related to TPHA: bilharziasis, RPR

Assay

Metal purity test to confirm that the metal meets the standards for trading on a commodities exchange (commodities exchange center).

Assay

To test precious metals for their purity. This is important to commodities and futures involving precious metals, in which the quality of the underlying metals must be specified in the contract.

assay

A test to determine the purity of gold, silver, or other precious metals. Metals used for delivery of futures contracts must be assayed to verify that they meet standards established by the exchange on which the contracts trade.
References in periodicals archive ?
8% had a sero-positive TPHA result (original figure, prior to estimation using weighted proportions).
Notwithstanding the substantial number of patients who reported high-risk sexual behaviour, no statistically significant association was found between such behaviour and sero-positive TPHA results, in contrast to previous research.
The RPR test had an unacceptably low sensitivity as a syphilis screening procedure, indicating a low syphilis prevalence of only 1% (the TPHA test indicated a prevalence of 11.
This should include a combination of molecular analysis, fluorescent treponemal antibody absorption (FTA-abs), TPHA measurement at a higher dilution (to counter the effect of possible hypergammaglobulinaemia), total IgG, and screening for autoimmune diseases with anti-nuclear factor measurement.
Both the RPR and TPHA tests should be performed in parallel, which increases the sensitivity dramatically.
CONCLUSIONS: The overall prevalence of syphilis in psychiatric inpatients at Weskoppies Hospital as determined by TPHA testing was higher than anticipated.
Tenders are invited for Supply of Bacillocid 500 ml Bottle, Anti Sera ABD 1 Kit, Bandict Solution 500 ml Bottle, Cover Slip 18 mm Squire 10 gm PKT, Deionised Water 5 Lit Pack, Filter Paper 1 PKT, Glucose Kit I Kit, Hb Tube 1 Tube, Leisman Stain 500 ml Bottle, Microtips (20-200) 1000 Pcs, TPHA 1 Kit, Test Tube 6 100 Tube, R.
12 - Tests for Diagnosis of Syphilis / TPHA /; Lot ?
Pleven, Plovdiv, Stara Zagora and Varna as follows: OP 1 "diagnostic tests for donated blood for transmissible infections type ELIZA" OP 2 "Tests for confirmatory diagnosis of hepatitis C - immunoblot" , OP 3 "Tests and supplies quality PCR for Hepatitis C" OP 4 "Tests for Diagnosis of Syphilis / TPHA / ~; OP 5" Tests with chemiluminescent technique.