1-14 strips pH Test paper pH Indicator Paper Chemical lab Scientific lab

FOB Reference Price:Get Latest Price
US $1.9-3 / Box | 100 Box/Boxes (Min. Order)
Supply Ability:
100000 Unit/Units per Month
Port:
Guangzhou or shanghai
Overview
Quick Details
Classification:
Other
Brand Name:
Sinosource
Model Number:
pH 1-14
Place of Origin:
Guangdong, China (Mainland)
Packaging & Delivery
Packaging Details
Export Cartons
Delivery Time
within 15 days
IndicatorLow pH colorTransition pH rangeHigh pH color
Gentian violet (Methyl violet 10B)yellow0.0–2.0blue-violet
Leucomalachite green (first transition)yellow0.0–2.0green
Leucomalachite green (second transition)green11.6–14colorless
Thymol blue (first transition)red1.2–2.8yellow
Thymol blue (second transition)yellow8.0–9.6blue
Methyl yellowred2.9–4.0yellow
Bromophenol blueyellow3.0–4.6purple
Congo redblue-violet3.0–5.0red
Methyl orangered3.1–4.4orange
Bromocresol greenyellow3.8–5.4blue
Methyl redred4.4–6.2yellow
Methyl redred4.5–5.2green
Azolitminred4.5–8.3blue
Bromocresol purpleyellow5.2–6.8purple
Bromothymol blueyellow6.0–7.6blue
Phenol redyellow6.8–8.4red
Neutral redred6.8–8.0yellow
Naphtholphthaleincolorless to reddish7.3–8.7greenish to blue
Cresol Redyellow7.2–8.8reddish-purple
Phenolphthaleincolorless8.3–10.0fuchsia
Thymolphthaleincolorless9.3–10.5blue
Alizarine Yellow Ryellow10.2–12.0red
Litmusred4.5-8.3blue
 
 
 
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