Question

Starch test is a qualitative test or quantitative test explain

Answer 1

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Let's start with the qualitative fit test. This one relies on the wearer's sense of taste and smell to detect whether the respirator provides a tight seal.

To perform this test, the mask is donned and one of four substances is released (isoamyl acetate, saccharine, bitrex, or irritant smoke). If the user can smell, taste, or is otherwise affected by the substance, it means the seal does not provide adequate protection.

The qualitative fit test is normally used for half-mask respirators. If you're testing a full-face respirator, the quantitative fit test is recommended instead.

Quantitative Fit Testing (QNTF)

Unlike the qualitative test, the quantitative test relies on a machine that attaches to the respirator via a tube to measure any leakage.

The quantitative test not only detects the presence of a leak, but also measures the amount of leakage.

Quantitative fit testing is normally the preferred option for full-face respirators, although it can still be used for half-mask models.
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