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WATER QUALITY TESTING
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Reand 924
pH test paper Tritest pH 1–11, with three indicator zones
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Reand 930
pH test paper Tritest L pH 1–11, three indicator zones and hydrophobic barriers
Reand 877
pH test paper Duotest pH 1–12, with two indicator zones
Reand 949
pH test paper Duotest pH 1.0–4.3, with two indicator zones
Reand 869
pH test paper Duotest pH 3.5–6.8, with two indicator zones
Reand 867
pH test paper Duotest pH 5.0–8.0, with two indicator zones
Reand 936
pH test paper Duotest pH 7.0–10.0, with two indicator zones
Reand 895
pH test paper Duotest pH 9.5–14.0, with two indicator zones
Reand 947
Colorimetric reagents UNISOL 410 for pH 4−10
Reand 853
Colorimetric reagents UNISOL 113 for pH 1‑13
Reand 830
Qualitative pH test paper Brilliant yellow paper, pH: 6.7–7.9
Reand 790
Qualitative pH test paper Congo paper MN 260 HE, pH: 5.0–3.0