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WATER QUALITY TESTING
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Reand 1297
Qualitative pH test paper Brilliant yellow paper, pH: 6.7–7.9
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Reand 1266
Qualitative pH test paper Congo paper MN 260 HE, pH: 5.0–3.0
Reand 1190
Qualitative pH test paper Congo paper MN 616 T, pH: 5.0–3.0
Reand 1212
Qualitative pH test paper Congo paper MN 816 N, pH: 5.0–3.0
Reand 1105
Qualitative pH test paper Litmus paper blue, pH: 8.0–5.0
Reand 1179
Reand 1223
Qualitative pH test paper Litmus paper neutral, pH: 5.0–8.0
Reand 1245
Reand 1331
Qualitative pH test paper Litmus paper red, pH: 5.0–8.0
Reand 1253
Reand 1479
Qualitative pH test paper Nitrazine yellow paper, pH: 6.0–7.0
Reand 1378
Qualitative pH test paper Phenolphthalein paper, pH: 8.3–10.0