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WATER QUALITY TESTING
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Reand 1508
Qualitative pH test paper Brilliant yellow paper, pH: 6.7–7.9
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Reand 1494
Qualitative pH test paper Congo paper MN 260 HE, pH: 5.0–3.0
Reand 1389
Qualitative pH test paper Congo paper MN 616 T, pH: 5.0–3.0
Reand 1395
Qualitative pH test paper Congo paper MN 816 N, pH: 5.0–3.0
Reand 1308
Qualitative pH test paper Litmus paper blue, pH: 8.0–5.0
Reand 1353
Reand 1426
Qualitative pH test paper Litmus paper neutral, pH: 5.0–8.0
Reand 1449
Reand 1540
Qualitative pH test paper Litmus paper red, pH: 5.0–8.0
Reand 1471
Reand 1727
Qualitative pH test paper Nitrazine yellow paper, pH: 6.0–7.0
Reand 1607
Qualitative pH test paper Phenolphthalein paper, pH: 8.3–10.0