Hampton HR2-679 2.0 M酒石酸銨緩沖液

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Hampton HR2-679 2.0 M酒石酸銨緩沖液

Hampton 酒石酸銨 Ammonium tartrate dibasic

Ammonium tartrate dibasic??酒石酸銨

APPLICATIONS??應(yīng)用

  • Crystallization grade Ammonium tartrate dibasic for formulating screens or for optimization? 結(jié)晶級酒石酸銨，用于篩選或優(yōu)化

FEATURES??特征

  • Sterile filtered solution
  • Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/μL)
  • 無菌過濾液
  • 在1+超純水中配制：在25°C下電阻率為18.2兆，總有機碳<5 ppb，無細菌(<1細菌(CFU/ml))，無熱原(<0.03內(nèi)毒素(EU/ml))，無RNase(<0.01 ng/mL)和無DNase(<4 pg/L)

DESCRIPTION

Ammonium tartrate dibasic

Synonym: L-(+)-Tartaric acid diammonium salt or Diammonium tartrate
(NH4)2C4H4O6
C4H12N2O6
Mr?184.15
CAS Number [3164-29-2]
EC Number 221-618-9
Beilstein Registry Number 6120352
RTECS WW8050000
MDL Number MFCD00013073
PubChem Substance ID 24846510
Purity ≥ 99.5%

HR2-679 Measured pH Range: 6.3 – 6.9 at 25°C
HR2-679 Measured Conductivity Range: 118.2 – 134.4 mS/cm at 25°C
HR2-679 Measured Refractive Index Range: 1.39169 – 1.39346 at 20°C

HR2-767 titrated to pH 7.0 using NaOH at 25°C
HR2-767 Measured Conductivity Range: 115.7 – 129.6 mS/cm at 25°C
HR2-767 Measured Refractive Index Range: 1.38057 – 1.38157 at 20°C

Al ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi ≤0.0005%
Ca ≤0.0005%
Cd ≤0.0005%
Cl ≤0.005%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0005%
K ≤0.005%
Li ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.005%
Ni ≤0.0005%
Pb ≤0.0005%
SO4?≤0.005%
Sr ≤0.0005%

描述

酒石酸銨

同義詞：l-(+)-酒石酸二胺鹽或酒石酸二銨
(NH)4)2C4H4O6
C4H12N2O6
Mr?184.15
核證機關(guān)編號[3164-29-2]
教統(tǒng)會編號221-618-9
伯爾斯坦登記處編號6120352
RTECS WW8050000
MDL號碼MFCD00013073
PubChem物質(zhì)ID 24846510
純度≥99.5%

HR2-679測定pH值范圍：6.3~6.9℃，25°C
HR2-679在25°C下的電導(dǎo)率范圍：118.2~134.4 ms/cm。
HR2-679測量折射率范圍：1.39169~1.39346℃，20°C

HR2-767在25℃NaOH滴定至pH7.0
HR2-767測量電導(dǎo)率范圍：25°C下115.7~129.6 ms/cm。
HR2-767測量折射率范圍：1.38057~1.38157℃，20°C

Al≤0.0005%
AS≤0.00001%
BA≤0.0005%
Bi≤0.0005%
CA≤0.0005%
CD≤0.0005%
CL≤0.005%
CO≤0.0005%
Cr≤0.0005%
Cu≤0.0005%
Fe≤0.0005%
K≤0.005%
Li≤0.0005%
Mg≤0.0005%
Mn≤0.0005%
Mo≤0.0005%
NA≤0.005%
Ni≤0.0005%
PB≤0.0005%
所以4≤0.005%
Sr≤0.0005%
Zn≤0.0005%

HR2-679 2.0 M Ammonium tartrate dibasic 200 mL
HR2-767 1.6 M Ammonium tartrate dibasic pH 7.0 200 mL

REFERENCES? 參考文獻

1. Overexpression, crystallization and preliminary X-ray crystallographic analysis of erythronate-4-phosphate dehydrogenase from Pseudomonas aeruginosa. J. Y. Ha, J. H. Lee, K. H. Kim, D. J. Kim, H. H. Lee, H.-K. Kim, H.-J. Yoon and S. W. Suh. Acta Cryst. (2006). F62, 139-141.