supply of calibration gases to panipat refinery and petrochemical complex and petrochemical complex , co:0.5 mol%, methane:3.5 mol%, h2:balance as per enquiry cum offer item sr. no. 10 and tender technical specification , co:2 ppm, methane:4 mol%, h2 : balance. as per enquiry cum offer item sr. no. 20 and tender technical specification , me acetyl:0.25mol%, propadyne:0.25 mol%, propylene:4 mol%, propane:bal as per enquiry cum offer item sr. no. 30 and tender technical specification , mixture: ch4, co2, c2h2 and methanol , bal: ethylene as per enquiry cum offer item sr. no. 40 and tender technical specification , pncp-ncu-cal gas for 1150-ai-1101 as per enquiry cum offer item sr. no. 50 and tender technical specification , calb gas h2:0.3%, balance : ethylene as per enquiry cum offer item sr. no. 60 and tender technical specification , propylene:0.05%, propane:0.05% & ethylene : balance, balance, gc-1140-ai-1101 as per enquiry cum offer item sr. no. 70 and tender technical specification , ethylene:0.05 mol%, ethane:0.05 mol%, n-pentane: balance as per enquiry cum offer item sr. no. 80 and tender technical specification , mixture:tolune :5000 ppm, 40% c6h6 bal: hexane as per enquiry cum offer item sr. no. 90 and tender technical specification , mixture:tolune :0.05%, c5h12 bal: hexane as per enquiry cum offer item sr. no. 100 and tender technical specification , cyclohexane: 0.8%, iso-butene: 0.51%, n-butane: 0.53% etc. as per enquiry cum offer item sr. no. 110 and tender technical specification , cal mix of propane:0.5% , 1-butene:10%, propyl:bal in 47 l wc cyl as per enquiry cum offer item sr. no. 120 and tender technical specification , pncp-ncu-cal mix for 1145-ai-1201 in 47l wc cyl as per enquiry cum offer item sr. no. 130 and tender technical specification , capacity - 10 ltr wc preparation tolerance:± 10% certified accuracy:± 2% nature- liq. filled cylinder 1, 3-butadiene: 67% ma: 32% as per enquiry cum offer item sr. no. 140 and tender technical specification , capacity - 10 ltr wc preparation tolerance:± 10% certified accuracy:± 2% nature- liq. filled cylinder 1-2 butadiene: 11% ethyl acetylene: 5% vinyl acetylene: 2% as per enquiry cum offer item sr. no. 150 and tender technical specification , capacity - 10 ltr wc preparation tolerance:± 10% certified accuracy:± 2% nature- liq. filled cylinder cis-2-butene: 0.7% trans-2-butene: 0.8% bal : 1, 3 bd as per enquiry cum offer item sr. no. 160 and tender technical specification , capacity - 10 ltr wc preparation tolerance:± 10% certified accuracy:± 2% nature- liq. filled cylinder 1, 3-butadiene: 33.28% iso-butylene: 24.5% as per enquiry cum offer item sr. no. 170 and tender technical specification , capacity - 10 ltr wc preparation tolerance:± 10% certified accuracy:± 2% nature- liq. filled cylinder 1, 3-butadiene: 30% ethyl acetylene: 10% vinyl acetylene: 15% as per enquiry cum offer item sr. no. 180 and tender technical specification , capacity - 10 ltr wc preparation tolerance:± 10% certified accuracy:± 2% nature- liq. filled cylinder 1, 3-butadiene: 99.64% cis-2-butene:0.3% trans-2-butene: 0.03% as per enquiry cum offer item sr. no. 190 and tender technical specification , pnc-ncu-cal gas for 1150-at-1401 isobutane : 0.05 % isopentane : 5.0 mol % n-heptane : 20.0 mol % n-octane : 20 mol % n-hexane: balance cal. gas mix of 3 butadiene : 0.1 mol% 1-butylene : 0.05 mol% isobutylene : 0.05 % cis-2-butylene : 0.05% trans-2-butylene : 0.05 % n-butane : 0.05 % as per enquiry cum offer item sr. no. 200 and tender technical specification , capacity - 20 ltr wc preparation tolerance:± 10% certified accuracy:± 1% nature- liq. filled cylinder 1, 3-butadiene: 40% nitrogen: 60% as per enquiry cum offer item sr. no. 210 and tender technical specification , capacity - 10 ltr wc preparation tolerance:± 10% certified accuracy:± 1% nature- liq. filled cylinder 1, 3-butadiene: 95% cis-2-butene: 5% as per enquiry cum offer item sr. no. 220 and tender technical specification