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Optimize - Reagents<br />
Salts<br />
optimize crystallization grade reagents<br />
Magnesium sulfate hydrate<br />
HR2-633 2.5 M solution 200 ml $83.00<br />
Synonyms: Magnesium sulphate hydrate MgSO 4 • xH 2 O<br />
M r 120.37 (anhyd.) CAS [22189-08-8] EC No 231-298-2 Purity > 99.0%<br />
Measured pH Range: 6.2 - 8.2 at 25°C<br />
Refractive Index: 1.37187 at 20°C<br />
Conductivity Range: 49.2 - 59.5 mS at 25°C<br />
Ca................................≤ 0.02%<br />
Cd..............................≤ 0.005%<br />
Cl.................................≤ 0.01%<br />
Co..............................≤ 0.005%<br />
DL-Malic acid pH 7.0<br />
Nickel(II) chloride hexahydrate<br />
Cu..............................≤ 0.005%<br />
Fe..............................≤ 0.005%<br />
K..................................≤ 0.05%<br />
Na................................≤ 0.01%<br />
Ni...............................≤ 0.005%<br />
Pb..............................≤ 0.005%<br />
Zn..............................≤ 0.005%<br />
HR2-761 pH 7.0 - 3.0 M solution 200 ml $62.00<br />
Synonyms: (±)-2-Hydroxysuccinic acid or DL-Hydroxybutanedioic acid<br />
HO 2 CCH 2 CH(OH)CO 2 H or C 4 H 6 O 5<br />
M r 134.09 CAS [6915-15-7] EC No 230-022-8 Purity > 99.0%<br />
Titrated to pH 7.0 at 25°C using Sodium hydroxide (HR2-583)<br />
Refractive Index Range: 1.40605 - 1.40638 at 20°C<br />
Conductivity Range: 43.0 - 52.1 mS at 25°C<br />
HR2-687 4.0 M solution 200 ml $69.00<br />
Synonyms: Nickel chloride NiCl 2 • 6H 2 O M r 237.69<br />
CAS [7791-20-0] EC No 231-743-0 Purity > 98.0%<br />
Measured pH Range: 3.1 - 3.8 at 25°C<br />
Refractive Index Range: 1.43878 - 1.43890 at 20°C<br />
Conductivity Range: 82.2 - 104.6 mS at 25°C<br />
Ca..............................≤ 0.005%<br />
Cd..............................≤ 0.005%<br />
Co................................≤ 0.05%<br />
Cu..............................≤ 0.005%<br />
Fe..............................≤ 0.005%<br />
K..................................≤ 0.01%<br />
Pb..............................≤ 0.005%<br />
Zn..............................≤ 0.005%<br />
Potassium acetate<br />
HR2-671 5.0 M solution 200 ml $85.00<br />
Synonyms: K(acac) C 2 H 3 KO 2 or CH 3 COOK M r 98.14<br />
CAS [127-08-2] EC No 204-822-2 Purity > 99.0%<br />
Measured pH Range: 7.9 - 8.9 at 25°C<br />
Refractive Index Range: N/A<br />
Conductivity Range: 132.3 - 146.7 mS at 25°C<br />
DNases................none detected<br />
RNases................none detected<br />
Proteases............none detected<br />
Phosphatases......none detected<br />
Pb.....≤ 5ppm (parts per million)<br />
Potassium bromide<br />
HR2-779 4.0 M solution 100 ml $74.00<br />
Synonyms: None KBr or BrK M r 119.00<br />
CAS [7758-02-3] EC No 231-830-3 Purity > 99.5%<br />
Measured pH Range: 8.2 - 8.6 at 25°C<br />
Refractive Index Range: 1.38454 - 1.38686 at 20°C<br />
Conductivity Range: 384.6 - 438.8 mS at 25°C<br />
Al.............................≤ 0.0005%<br />
As..........................≤ 0.00001%<br />
Ba............................≤ 0.0005%<br />
Bi.............................≤ 0.0005%<br />
BrO 3 ..........................≤ 0.001%<br />
Ca..............................≤ 0.001%<br />
Cd............................≤ 0.0005%<br />
Cl...................................≤ 0.1%<br />
Co............................≤ 0.0005%<br />
Cr............................≤ 0.0005%<br />
Cu............................≤ 0.0005%<br />
Fe............................≤ 0.0005%<br />
I.................................≤ 0.001%<br />
Li.............................≤ 0.0005%<br />
Mg...........................≤ 0.0005%<br />
Mn...........................≤ 0.0005%<br />
Mo...........................≤ 0.0005%<br />
N................................≤ 0.001%<br />
Na................................≤ 0.02%<br />
Ni.............................≤ 0.0005%<br />
Pb............................≤ 0.0005%<br />
SO 4 ...........................≤ 0.005%<br />
Sr.............................≤ 0.0005%<br />
Zn............................≤ 0.0005%<br />
Potassium chloride<br />
HR2-649 4.0 M solution 200 ml $80.00<br />
Synonyms: None KCl M r 74.55<br />
CAS [7447-40-7] EC No 231-211-8 Purity > 99.5%<br />
Measured pH Range: 5.4 - 8.1 at 25°C Refractive Index Range: 1.36868 - 1.36882 at 20°C<br />
Conductivity Range: 391.0 - 449.6 mS at 25°C<br />
Al.............................≤ 0.0005%<br />
As..........................≤ 0.00001%<br />
Ba..............................≤ 0.001%<br />
Bi.............................≤ 0.0005%<br />
Br.................................≤ 0.05%<br />
Ca..............................≤ 0.005%<br />
Cd............................≤ 0.0005%<br />
Co............................≤ 0.0005%<br />
Potassium citrate tribasic monohydrate<br />
HR2-683 2.5 M solution 200 ml $74.00<br />
Synonyms: Citric acid tripotassium salt or tri-potassium citrate<br />
HOC(COOK)(CH 2 COOK) 2 • H 2 O or C 6 H 5 K 3 O 7 • H 2 O<br />
M r 324.41 CAS [6100-05-6] EC No 231-905-0 Purity > 98.0%<br />
Measured pH Range: 8.2 - 9.9 at 25°C<br />
Refractive Index: 1.42503 at 20°C<br />
Conductivity Range: 80.6 - 91.7 mS at 25°C<br />
Potassium fluoride<br />
HR2-647 6.0 M solution 100 ml $68.00<br />
Synonyms: None KF or FK M r 58.10<br />
CAS [7789-23-3] EC No 232-151-5 Purity > 99.5%<br />
Measured pH Range: 8.0 - 10.0 at 25°C<br />
Refractive Index: 1.35344 at 20°C<br />
Conductivity Range: 346.6 - 416.2 mS at 25°C<br />
Al............................. ≤ 0.0005%<br />
As.......................... ≤ 0.00001%<br />
Ba............................ ≤ 0.0005%<br />
Bi............................. ≤ 0.0005%<br />
Ca.............................. ≤ 0.001%<br />
Cd............................ ≤ 0.0005%<br />
Cl............................... ≤ 0.005%<br />
Co............................ ≤ 0.0005%<br />
Cr............................ ≤ 0.0005%<br />
Cu............................ ≤ 0.0005%<br />
Fe............................ ≤ 0.0005%<br />
HF............................. ≤ 0.001%<br />
KOH............................ ≤ 0.01%<br />
K 2 SiF 6 .......................≤ 0.003%<br />
Li............................. ≤ 0.0005%<br />
Mg........................... ≤ 0.0005%<br />
Mn........................... ≤ 0.0005%<br />
Mo........................... ≤ 0.0005%<br />
Na.................................. ≤ 0.2%<br />
Ni............................. ≤ 0.0005%<br />
Pb............................ ≤ 0.0005%<br />
SO 4 ........................... ≤ 0.005%<br />
Sr............................. ≤ 0.0005%<br />
Zn............................ ≤ 0.0005%<br />
Potassium formate<br />
HR2-667 14.0 M solution 200 ml $118.00<br />
Synonyms: Formic acid potassium salt HCOOK or CHKO 2<br />
M r 84.12 CAS [590-29-4] EC No 209-677-9 Purity > 99.0%<br />
Measured pH Range: 9.5 - 10.8 at 25°C<br />
Refractive Index: 1.41516 at 20°C<br />
Conductivity Range: 77.9 - 99.4 mS at 25°C<br />
Ca.............................. ≤ 0.005%<br />
Cd.............................. ≤ 0.005%<br />
Cl............................... ≤ 0.005%<br />
Co.............................. ≤ 0.005%<br />
Cu.............................. ≤ 0.005%<br />
Fe.............................. ≤ 0.005%<br />
Na.................................. ≤ 0.5%<br />
Ni............................... ≤ 0.005%<br />
Pb.............................. ≤ 0.005%<br />
SO 4 ........................... ≤ 0.005%<br />
Zn.............................. ≤ 0.005%<br />
Potassium phosphate dibasic<br />
HR2-635 4.0 M solution 200 ml $74.00<br />
Synonyms: Dipotassium hydrogenphosphate or<br />
Dipotassium phosphate or sec.-Potassium phosphate<br />
K 2 HPO 4 or HK 2 O 4 P M r 174.18 CAS [7758-11-4] EC No 231-834-5<br />
Measured pH Range: 9.6 - 9.8 at 25°C<br />
Refractive Index Range: 1.40781 - 1.40791 at 20°C<br />
Conductivity Range: 126.9 - 148.5 mS at 25°C<br />
Al............................. ≤ 0.0005%<br />
As.......................... ≤ 0.00001%<br />
Ba............................ ≤ 0.0005%<br />
Bi............................. ≤ 0.0005%<br />
Ca.............................. ≤ 0.001%<br />
Cd............................ ≤ 0.0005%<br />
Cl............................... ≤ 0.005%<br />
Cr............................≤ 0.0005%<br />
Cu............................≤ 0.0005%<br />
Fe............................≤ 0.0002%<br />
I.................................≤ 0.002%<br />
Li.............................≤ 0.0005%<br />
Mg.............................≤ 0.001%<br />
Mn...........................≤ 0.0005%<br />
Mo...........................≤ 0.0005%<br />
Co............................ ≤ 0.0005%<br />
Cr............................ ≤ 0.0005%<br />
Cu............................ ≤ 0.0005%<br />
Fe............................ ≤ 0.0005%<br />
Li............................. ≤ 0.0005%<br />
Mg........................... ≤ 0.0005%<br />
Mn........................... ≤ 0.0005%<br />
N................................≤ 0.001%<br />
Na................................≤ 0.02%<br />
Ni.............................≤ 0.0005%<br />
Pb............................≤ 0.0005%<br />
PO 4 .........................≤ 0.0005%<br />
SO 4 ...........................≤ 0.003%<br />
Sr.............................≤ 0.0005%<br />
Zn............................≤ 0.0005%<br />
Mo........................... ≤ 0.0005%<br />
Na.................................. ≤ 0.5%<br />
Ni............................. ≤ 0.0005%<br />
Pb............................ ≤ 0.0005%<br />
SO 4 ........................... ≤ 0.005%<br />
Sr............................. ≤ 0.0005%<br />
Zn............................ ≤ 0.0005%<br />
46<br />
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