Y-Borax rapid test reagent

Product Instructions

Test principle

The test samples were soaked by distilled water, pure water or tap water does not contain borax, if the sample contains borax additive, in acidic conditions, the extract of turmeric on the strip together with dry heat, will produce a red compound, this case of alkali reactive compound into a dark blue. Detection limit of this Act is 100mg/kg.

Reagents constitute (experiment times: 100times/box)

Borax test solution A: 1 bottle

Borax test solution B: 1 bottle

Turmeric- ethanol test paper: 100 pieces

Sample cup: 100 cups

0.5ml straw: 100 pieces

Sampling tool: 1

Introduction: 1 book

Self-provided instruments: hair drier

Suitable for samples:

Beef and beef meatball, beef products, wonton, fish balls, meatballs, oil noodles, steamed dumplings, dumpling meat, all kinds of dumplings, all kinds of cakes and shrimp, etc.

Test steps

1. Take samples of about 10 grams, add about 25ml distilled water, pure water or tap water does not contain borax, stir with a glass rod or straw scattered, and shake several times, and soak for 5-10 minutes.

2. Take a test paper. Soaking with 0.5ml pipette, add 10 drops to the middle strip, plus 1 drop of test liquid A, an appropriate tilt test strips, as much as possible make them mixing;

3. Use the forceps to clamp the corner strips, with a hair dryer (or tune in the low block) to dry carefully strip, about 3 minutes.

4. If the test strips appear red-brown spots, dropping a drop of test solution B in the spots.

Results of judgment

1. If the strip does not appear after the dry red-brown spots, that indicates not mixed with borax in the sample.

2. if the test strip in the red-brown spots after drying, and in the test solution B, after dropping into a green stain blue-black to purple, indicating that the sample mixed with borax, the darker red-brown spots that the higher the concentration of borax.

Announcements

1. Such as test strips only in the edge of the road with one red-brown side, and that can be considered non-borax.

2. Borax and boric acid the same role and characteristics of the speed test box also apply boric acid test.

3. Soaked in water is recommended to do a blank control.

4. The strip should be avoided light saving.