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KN95 Respirator Mask, 4 layers, Box of 50 -LP-KN95-001BOX50
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Harley N95 NIOSH Certified Particulate Respirator Mask, Folder Style 20/Box - L-188
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Whether you're determining unknown substances or calibrating analytical instruments, you will need certified laboratory standard solutions. Here at Lab Pro, our standards aim to increase lab efficiency and help users achieve more accurate results. Browse through our standards selection ranging from water-soluble ammonium sulfamate to phenacetin powder.
If you need laboratory standards in bulk, don't hesitate to reach us at 888-4-LABPRO (888-452-2776). We also offer next-day service in California and same-day service for will-calls.
Chemicals & Reagents
Reference Standards
Sulfate Standard, 10,000 ppm SO?²? (H?SO? in Water) - 8112.5-4
$152.04Sulfate Standard, 10,000 ppm SO?²? (H?SO? in Water) - 8112.5-4Size:100 mL Poly naturalCAS Number:7732-18-5,7664-93-9
Sulfide Standard, 1000 ppm (w/w) - R8112700-500C
$178.77Sulfide Standard, 1000 ppm (w/w) - R8112700-500CSize:500 mL Glass amberCAS Number:7732-18-5,1313-84-4,1310-73-2
Sulfite Standard, 1000 ppm SO?? - R8112950-100C
$35.40Sulfite Standard, 1000 ppm SO?? - R8112950-100CSize:100 mL Glass amberCAS Number:7732-18-5,7757-83-7
Sulfite Standard, 1000 ppm SO?? - R8112950-500C
$53.96Sulfite Standard, 1000 ppm SO?? - R8112950-500CSize:500 mL Glass amberCAS Number:7732-18-5,7757-83-7
Sulfuric Acid Standard, 90% (w/w) - 8194.1-32
$211.19Sulfuric Acid Standard, 90% (w/w) - 8194.1-32Size:1 L Glass amberCAS Number:7664-93-9,7732-18-5
Sulfate Sulfur Standard, 1000 ppm S (Na?SO? in H?O) - 8354.5-16
$163.03Sulfate Sulfur Standard, 1000 ppm S (Na?SO? in H?O) - 8354.5-16Size:500 mL Poly naturalCAS Number:7732-18-5,7757-82-6
Potassium Chloride Conductivity Standard, 3000 µS/cm at 25°C - 5888.04-5
$287.80Potassium Chloride Conductivity Standard, 3000 µS/cm at 25°C - 5888.04-5Size:20 L CubitainerCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 3000 µS/cm at 25°C - 5888.04-1
$191.47Potassium Chloride Conductivity Standard, 3000 µS/cm at 25°C - 5888.04-1Size:4 L Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 3000 µS/cm at 25°C - 5888.04-16
$87.28Potassium Chloride Conductivity Standard, 3000 µS/cm at 25°C - 5888.04-16Size:500 mL Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 7000 µS/cm at 25°C - 5888.07-1
$599.06Potassium Chloride Conductivity Standard, 7000 µS/cm at 25°C - 5888.07-1Size:4 L Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 7000 µS/cm at 25°C - 5888.07-16
$109.86Potassium Chloride Conductivity Standard, 7000 µS/cm at 25°C - 5888.07-16Size:500 mL Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C - 5888.10-2.5
$206.71Potassium Chloride Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C - 5888.10-2.5Size:10 L CubitainerCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C - 5888.10-32
$100.25Potassium Chloride Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C - 5888.10-32Size:1 L Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C - 5888.10-5
$592.52Potassium Chloride Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C - 5888.10-5Size:20 L CubitainerCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C - 5888.10-1
$166.58Potassium Chloride Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C - 5888.10-1Size:4 L Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C - 5888.10-16
$51.34Potassium Chloride Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C - 5888.10-16Size:500 mL Poly naturalCAS Number:7732-18-5,7447-40-7
