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Laboratory Chemicals and Reagents Solutions at Lancetech Limited

Laboratory Chemicals and Reagents

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Conductivity (EC)

Conductivity: (0.00 ~ 19.99) μS/cm (20.0 ~ 199.9) μS/cm (200 ~ 1999) μS/cm (2.00 ~ 19.99) mS/cm (20.0 ~ 199.9) mS/cm TDS: (0 ~ 100) g/L Salinity: (0 ~ 100) ppt spec. Resistance: (0 ~ 100) MΩ-cm
Conductivity: (0.00 to 19.99) μS/cm, (20.0 to 199.9) μS/cm (200 to 1999) μS/cm, (2.00 to 19.99) mS/cm (20.0 to 199.9) mS/cm TDS: (0 to 100) g/L; Salinity: (0 to 100) ppt Resistivity: (0 to 100) MΩ·cm
Conductivity: (0.00 to 19.99) μS/cm, (20.0 to 199.9) μS/cm (200 to 1999) μS/cm, (2.00 to 19.99) mS/cm (20.0 to 199.9) mS/cm TDS: (0 to 100) g/L; Salinity: (0 to 100) ppt Resistivity: (0 to 100) MΩ·cm
0.01/0.1/1 μS/cm; 0.01/0.1 mS/cm
±1.0% F.S
Device: ±1.0 F.S, Total: ±1.5% F.S
(0 to 50) °C (Automatic)
0.1 / 1 / 10 cm-1
25°C, 20°C, and 18°C

EC

0 to 10.0 EC, 0 to 7000ppm (700ppm), 0 to 5000ppm (500ppm)
0.1EC, 10ppm (700ppm), 10ppm (500ppm)
±0.1 EC ±30ppm (500ppm) ±40ppm (700ppm)
1 point (2.77 EC)

Fluoride

0.02 to 1900 ppm
mg/l, ppm, pF
±0.02 ppm or ±5% of reading, whichever is greater
(0 – 80) °C (automatic)

Redox Potential (ORP)

-1999mV to 0 to 1999mV
1 mV
Device: ±0.1% FS, Total: ±15 mV
Device: ±0.1 FS, Total: ±15 mV

Spec. Resistance

50 Ω-cm to 20 MΩ-cm

TDS

0 to 100.0 ppm 0 to 1000 ppm 0 to 10,00 ppt
0.1 ppm to 10.00 ppt
0 to 10,00 ppt
0.1/1 ppm; 0.01 ppt
±1 % F.S
Automatic 1 to 2 point calibration
0 to 50 °C (automatically)
0.40 to 1.00

Mode

Gel-Permeation (GPC/SEC)
Reversed Phase (RP)
Chiral Separation
HILIC
Normal Phase (NP), SFC
Normal Phase (NP), Chiral Separation
Reversed Phase (RP), Ion Exchange (IEC)
Normal Phase (NP), Polar Bound Columns

Inner Diameter

4.6 mm
7.8 mm
2.1 mm
3 mm
4 mm
2 mm
3.9 mm

Pore Size

250 Å
300 Å
120 Å
100 Å
1000 Å
60 Å
80 Å
130 Å

pH Range

2 - 10
2,5 - 8
2 - 8
2 - 7,5
1,5 - 10,5
1 - 12
2 - 13

Endcapping

no
yes
yes, double

Shipping Temperature

Ambient
Ice Pack
Dry Ice
≤30°C
N/A
De minimis

Dangerous Goods Shipping

Not Applicable
N/A
N/A
DG
98-102%

TOKU-E

Camptothecin sodium 250 mg

Camptothecin sodium 250 mg CAS number 25387-67-1 and purity ≥ 95.0% (by HPLC)...

258.50€