宁波

SODIUM IODIDE 试剂用 GR级 纯度≧99.5% 粉状 1Kg/CA

MUTI-FUNCTION GREASE SHELL ALVANIA EP-2 18KG/CA

SBS-4452

E管 3/4" x 1.8mmt x 4ML

HACH CAT NO:424-32 100ml/CA

HACH DR2400 HACH CATNO 21258-15 150PC/BX

CLEANING OIL WD-40 12 OZ/CA

DR2400 COD检验用试剂 HACH CATNO 21259-15 150PC/BX

ANTIRUST OIL RUSGON #WD-40 450CC/CA

HACH CAT NO:851-99 100PC/BX

HACH CAT NO:14397-01 13ml/CA

OXALIC ACID GR 500G/CA .00495.0500

(LOW-CIS)

BALANCE C6H6:0.01%(V/V),C7H8:0.01%(V/V)等

NITROGEN GAS 99.999%↑气相层析级 (FGC) 不纯物O2＜2PPM H2O＜3PPM 15㎏/c㎡

OXYGEN(O2) 纯度99.999%以上 140㎏/c㎡(25℃) 7.5M^3/PC 退瓶

1,4-DIOXANE HPLC级 *λ(215nm): >0.750 1LT/CA

BALANCE CH4 6%(V/V),CO2 4.5%,C2H4 1.5%共14种气体

SODIUM THIOSULFATE 工业级 结晶状

He:99%(V/V) BALANCE C6H6:0.065%(V/V),C7H8:0.065%(V/V)等

CORIUM TYPE:Z128 500ml/CA

(无色透明) 65mmOD x 60mmID x 10ML

气相层析级 CO<5ppm <1ppm

CORIUM TYPE:Z127-1 500ml/CA

HYDROGEN GAS(H2) 纯度99.999%以上 140㎏/c㎡(25℃) 7.5M^3／PC退瓶

100ml/CA "TPEPEAK" TP-0378A

C3H6 99% BALANCE N2 0.01%,O2 0.001%,H2 0.001%,CO 0.001%

"埃沃" SP3305 450ml/CA

指示剂级 100ML/CA